diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 729 |
1 files changed, 420 insertions, 309 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 8f34fb447983..14649d54b493 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -24,7 +24,6 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/pci.h> -#include <linux/moduleparam.h> #include <linux/mutex.h> #include <sound/core.h> #include "hda_codec.h" @@ -34,11 +33,6 @@ #include "hda_local.h" -MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); -MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec"); -MODULE_LICENSE("GPL"); - - /* * vendor / preset table */ @@ -77,12 +71,13 @@ static struct hda_vendor_id hda_vendor_ids[] = { * * Returns the obtained response value, or -1 for an error. */ -unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct, +unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, unsigned int parm) { unsigned int res; mutex_lock(&codec->bus->cmd_mutex); - if (! codec->bus->ops.command(codec, nid, direct, verb, parm)) + if (!codec->bus->ops.command(codec, nid, direct, verb, parm)) res = codec->bus->ops.get_response(codec); else res = (unsigned int)-1; @@ -90,8 +85,6 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int dire return res; } -EXPORT_SYMBOL(snd_hda_codec_read); - /** * snd_hda_codec_write - send a single command without waiting for response * @codec: the HDA codec @@ -114,8 +107,6 @@ int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, return err; } -EXPORT_SYMBOL(snd_hda_codec_write); - /** * snd_hda_sequence_write - sequence writes * @codec: the HDA codec @@ -130,8 +121,6 @@ void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); } -EXPORT_SYMBOL(snd_hda_sequence_write); - /** * snd_hda_get_sub_nodes - get the range of sub nodes * @codec: the HDA codec @@ -141,7 +130,8 @@ EXPORT_SYMBOL(snd_hda_sequence_write); * Parse the NID and store the start NID of its sub-nodes. * Returns the number of sub-nodes. */ -int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id) +int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, + hda_nid_t *start_id) { unsigned int parm; @@ -150,8 +140,6 @@ int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *sta return (int)(parm & 0x7fff); } -EXPORT_SYMBOL(snd_hda_get_sub_nodes); - /** * snd_hda_get_connections - get connection list * @codec: the HDA codec @@ -187,12 +175,13 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, conn_len = parm & AC_CLIST_LENGTH; mask = (1 << (shift-1)) - 1; - if (! conn_len) + if (!conn_len) return 0; /* no connection */ if (conn_len == 1) { /* single connection */ - parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0); + parm = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_CONNECT_LIST, 0); conn_list[0] = parm & mask; return 1; } @@ -207,18 +196,21 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, if (i % num_elems == 0) parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, i); - range_val = !! (parm & (1 << (shift-1))); /* ranges */ + range_val = !!(parm & (1 << (shift-1))); /* ranges */ val = parm & mask; parm >>= shift; if (range_val) { /* ranges between the previous and this one */ - if (! prev_nid || prev_nid >= val) { - snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", prev_nid, val); + if (!prev_nid || prev_nid >= val) { + snd_printk(KERN_WARNING "hda_codec: " + "invalid dep_range_val %x:%x\n", + prev_nid, val); continue; } for (n = prev_nid + 1; n <= val; n++) { if (conns >= max_conns) { - snd_printk(KERN_ERR "Too many connections\n"); + snd_printk(KERN_ERR + "Too many connections\n"); return -EINVAL; } conn_list[conns++] = n; @@ -253,7 +245,8 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) struct hda_bus_unsolicited *unsol; unsigned int wp; - if ((unsol = bus->unsol) == NULL) + unsol = bus->unsol; + if (!unsol) return 0; wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE; @@ -268,8 +261,6 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) return 0; } -EXPORT_SYMBOL(snd_hda_queue_unsol_event); - /* * process queueud unsolicited events */ @@ -287,7 +278,7 @@ static void process_unsol_events(struct work_struct *work) rp <<= 1; res = unsol->queue[rp]; caddr = unsol->queue[rp + 1]; - if (! (caddr & (1 << 4))) /* no unsolicited event? */ + if (!(caddr & (1 << 4))) /* no unsolicited event? */ continue; codec = bus->caddr_tbl[caddr & 0x0f]; if (codec && codec->patch_ops.unsol_event) @@ -298,7 +289,7 @@ static void process_unsol_events(struct work_struct *work) /* * initialize unsolicited queue */ -static int init_unsol_queue(struct hda_bus *bus) +static int __devinit init_unsol_queue(struct hda_bus *bus) { struct hda_bus_unsolicited *unsol; @@ -306,8 +297,9 @@ static int init_unsol_queue(struct hda_bus *bus) return 0; unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); - if (! unsol) { - snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n"); + if (!unsol) { + snd_printk(KERN_ERR "hda_codec: " + "can't allocate unsolicited queue\n"); return -ENOMEM; } INIT_WORK(&unsol->work, process_unsol_events); @@ -323,16 +315,15 @@ static void snd_hda_codec_free(struct hda_codec *codec); static int snd_hda_bus_free(struct hda_bus *bus) { - struct list_head *p, *n; + struct hda_codec *codec, *n; - if (! bus) + if (!bus) return 0; if (bus->unsol) { flush_scheduled_work(); kfree(bus->unsol); } - list_for_each_safe(p, n, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry_safe(codec, n, &bus->codec_list, list) { snd_hda_codec_free(codec); } if (bus->ops.private_free) @@ -355,8 +346,9 @@ static int snd_hda_bus_dev_free(struct snd_device *device) * * Returns 0 if successful, or a negative error code. */ -int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, - struct hda_bus **busp) +int __devinit snd_hda_bus_new(struct snd_card *card, + const struct hda_bus_template *temp, + struct hda_bus **busp) { struct hda_bus *bus; int err; @@ -385,7 +377,8 @@ int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, mutex_init(&bus->cmd_mutex); INIT_LIST_HEAD(&bus->codec_list); - if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops); + if (err < 0) { snd_hda_bus_free(bus); return err; } @@ -394,22 +387,24 @@ int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, return 0; } -EXPORT_SYMBOL(snd_hda_bus_new); - /* * find a matching codec preset */ -static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec) +static const struct hda_codec_preset __devinit * +find_codec_preset(struct hda_codec *codec) { const struct hda_codec_preset **tbl, *preset; + if (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) + return NULL; /* use the generic parser */ + for (tbl = hda_preset_tables; *tbl; tbl++) { for (preset = *tbl; preset->id; preset++) { u32 mask = preset->mask; - if (! mask) + if (!mask) mask = ~0; if (preset->id == (codec->vendor_id & mask) && - (! preset->rev || + (!preset->rev || preset->rev == codec->revision_id)) return preset; } @@ -434,27 +429,30 @@ void snd_hda_get_codec_name(struct hda_codec *codec, break; } } - if (! vendor) { + if (!vendor) { sprintf(tmp, "Generic %04x", vendor_id); vendor = tmp; } if (codec->preset && codec->preset->name) snprintf(name, namelen, "%s %s", vendor, codec->preset->name); else - snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff); + snprintf(name, namelen, "%s ID %x", vendor, + codec->vendor_id & 0xffff); } /* * look for an AFG and MFG nodes */ -static void setup_fg_nodes(struct hda_codec *codec) +static void __devinit setup_fg_nodes(struct hda_codec *codec) { int i, total_nodes; hda_nid_t nid; total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid); for (i = 0; i < total_nodes; i++, nid++) { - switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) { + unsigned int func; + func = snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE); + switch (func & 0xff) { case AC_GRP_AUDIO_FUNCTION: codec->afg = nid; break; @@ -478,7 +476,7 @@ static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node, &codec->start_nid); codec->wcaps = kmalloc(codec->num_nodes * 4, GFP_KERNEL); - if (! codec->wcaps) + if (!codec->wcaps) return -ENOMEM; nid = codec->start_nid; for (i = 0; i < codec->num_nodes; i++, nid++) @@ -493,7 +491,7 @@ static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) */ static void snd_hda_codec_free(struct hda_codec *codec) { - if (! codec) + if (!codec) return; list_del(&codec->list); codec->bus->caddr_tbl[codec->addr] = NULL; @@ -514,8 +512,8 @@ static void init_amp_hash(struct hda_codec *codec); * * Returns 0 if successful, or a negative error code. */ -int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, - struct hda_codec **codecp) +int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, + struct hda_codec **codecp) { struct hda_codec *codec; char component[13]; @@ -525,7 +523,8 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL); if (bus->caddr_tbl[codec_addr]) { - snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr); + snd_printk(KERN_ERR "hda_codec: " + "address 0x%x is already occupied\n", codec_addr); return -EBUSY; } @@ -543,18 +542,21 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, list_add_tail(&codec->list, &bus->codec_list); bus->caddr_tbl[codec_addr] = codec; - codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID); + codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, + AC_PAR_VENDOR_ID); if (codec->vendor_id == -1) /* read again, hopefully the access method was corrected * in the last read... */ codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID); - codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID); - codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID); + codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, + AC_PAR_SUBSYSTEM_ID); + codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, + AC_PAR_REV_ID); setup_fg_nodes(codec); - if (! codec->afg && ! codec->mfg) { + if (!codec->afg && !codec->mfg) { snd_printdd("hda_codec: no AFG or MFG node found\n"); snd_hda_codec_free(codec); return -ENODEV; @@ -566,15 +568,16 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, return -ENOMEM; } - if (! codec->subsystem_id) { + if (!codec->subsystem_id) { hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; - codec->subsystem_id = snd_hda_codec_read(codec, nid, 0, - AC_VERB_GET_SUBSYSTEM_ID, - 0); + codec->subsystem_id = + snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_SUBSYSTEM_ID, 0); } codec->preset = find_codec_preset(codec); - if (! *bus->card->mixername) + /* audio codec should override the mixer name */ + if (codec->afg || !*bus->card->mixername) snd_hda_get_codec_name(codec, bus->card->mixername, sizeof(bus->card->mixername)); @@ -600,8 +603,6 @@ int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, return 0; } -EXPORT_SYMBOL(snd_hda_codec_new); - /** * snd_hda_codec_setup_stream - set up the codec for streaming * @codec: the CODEC to set up @@ -610,13 +611,15 @@ EXPORT_SYMBOL(snd_hda_codec_new); * @channel_id: channel id to pass, zero based. * @format: stream format. */ -void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, +void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, + u32 stream_tag, int channel_id, int format) { - if (! nid) + if (!nid) return; - snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", + snd_printdd("hda_codec_setup_stream: " + "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", nid, stream_tag, channel_id, format); snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | channel_id); @@ -624,8 +627,6 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stre snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format); } -EXPORT_SYMBOL(snd_hda_codec_setup_stream); - /* * amp access functions */ @@ -636,7 +637,7 @@ EXPORT_SYMBOL(snd_hda_codec_setup_stream); #define INFO_AMP_VOL(ch) (1 << (1 + (ch))) /* initialize the hash table */ -static void init_amp_hash(struct hda_codec *codec) +static void __devinit init_amp_hash(struct hda_codec *codec) { memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash)); codec->num_amp_entries = 0; @@ -662,15 +663,18 @@ static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key) if (codec->num_amp_entries >= codec->amp_info_size) { /* reallocate the array */ int new_size = codec->amp_info_size + 64; - struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info), - GFP_KERNEL); - if (! new_info) { - snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n"); + struct hda_amp_info *new_info; + new_info = kcalloc(new_size, sizeof(struct hda_amp_info), + GFP_KERNEL); + if (!new_info) { + snd_printk(KERN_ERR "hda_codec: " + "can't malloc amp_info\n"); return NULL; } if (codec->amp_info) { memcpy(new_info, codec->amp_info, - codec->amp_info_size * sizeof(struct hda_amp_info)); + codec->amp_info_size * + sizeof(struct hda_amp_info)); kfree(codec->amp_info); } codec->amp_info_size = new_size; @@ -691,15 +695,18 @@ static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key) */ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) { - struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); + struct hda_amp_info *info; - if (! info) + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); + if (!info) return 0; - if (! (info->status & INFO_AMP_CAPS)) { - if (! (get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) + if (!(info->status & INFO_AMP_CAPS)) { + if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) nid = codec->afg; - info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ? - AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); + info->amp_caps = snd_hda_param_read(codec, nid, + direction == HDA_OUTPUT ? + AC_PAR_AMP_OUT_CAP : + AC_PAR_AMP_IN_CAP); info->status |= INFO_AMP_CAPS; } return info->amp_caps; @@ -709,8 +716,9 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) * read the current volume to info * if the cache exists, read the cache value. */ -static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, - hda_nid_t nid, int ch, int direction, int index) +static unsigned int get_vol_mute(struct hda_codec *codec, + struct hda_amp_info *info, hda_nid_t nid, + int ch, int direction, int index) { u32 val, parm; @@ -720,7 +728,8 @@ static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *i parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; parm |= index; - val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm); + val = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_AMP_GAIN_MUTE, parm); info->vol[ch] = val & 0xff; info->status |= INFO_AMP_VOL(ch); return info->vol[ch]; @@ -730,7 +739,8 @@ static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *i * write the current volume in info to the h/w and update the cache */ static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, - hda_nid_t nid, int ch, int direction, int index, int val) + hda_nid_t nid, int ch, int direction, int index, + int val) { u32 parm; @@ -748,8 +758,9 @@ static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index) { - struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); - if (! info) + struct hda_amp_info *info; + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); + if (!info) return 0; return get_vol_mute(codec, info, nid, ch, direction, index); } @@ -760,13 +771,14 @@ int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val) { - struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); + struct hda_amp_info *info; - if (! info) + info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); + if (!info) return 0; val &= mask; val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; - if (info->vol[ch] == val && ! codec->in_resume) + if (info->vol[ch] == val && !codec->in_resume) return 0; put_vol_mute(codec, info, nid, ch, direction, idx, val); return 1; @@ -783,7 +795,8 @@ int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf) /* volume */ -int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); u16 nid = get_amp_nid(kcontrol); @@ -792,9 +805,11 @@ int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ u32 caps; caps = query_amp_caps(codec, nid, dir); - caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */ - if (! caps) { - printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid); + /* num steps */ + caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; + if (!caps) { + printk(KERN_WARNING "hda_codec: " + "num_steps = 0 for NID=0x%x\n", nid); return -EINVAL; } uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; @@ -804,7 +819,8 @@ int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ return 0; } -int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = get_amp_nid(kcontrol); @@ -820,7 +836,8 @@ int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_e return 0; } -int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = get_amp_nid(kcontrol); @@ -852,7 +869,8 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, if (size < 4 * sizeof(unsigned int)) return -ENOMEM; caps = query_amp_caps(codec, nid, dir); - val2 = (((caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT) + 1) * 25; + val2 = (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT; + val2 = (val2 + 1) * 25; val1 = -((caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT); val1 = ((int)val1) * ((int)val2); if (put_user(SNDRV_CTL_TLVT_DB_SCALE, _tlv)) @@ -867,7 +885,8 @@ int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, } /* switch */ -int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { int chs = get_amp_channels(kcontrol); @@ -878,7 +897,8 @@ int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ return 0; } -int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = get_amp_nid(kcontrol); @@ -888,13 +908,16 @@ int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_e long *valp = ucontrol->value.integer.value; if (chs & 1) - *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1; + *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & + 0x80) ? 0 : 1; if (chs & 2) - *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1; + *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & + 0x80) ? 0 : 1; return 0; } -int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = get_amp_nid(kcontrol); @@ -925,7 +948,8 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e #define AMP_VAL_IDX_SHIFT 19 #define AMP_VAL_IDX_MASK (0x0f<<19) -int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); unsigned long pval; @@ -940,7 +964,8 @@ int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_ return err; } -int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); unsigned long pval; @@ -950,7 +975,8 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ pval = kcontrol->private_value; indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; for (i = 0; i < indices; i++) { - kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT); + kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | + (i << AMP_VAL_IDX_SHIFT); err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); if (err < 0) break; @@ -965,14 +991,16 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ * SPDIF out controls */ -static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +static int snd_hda_spdif_mask_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; uinfo->count = 1; return 0; } -static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | IEC958_AES0_NONAUDIO | @@ -983,7 +1011,8 @@ static int snd_hda_spdif_cmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl return 0; } -static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | IEC958_AES0_NONAUDIO | @@ -991,7 +1020,8 @@ static int snd_hda_spdif_pmask_get(struct snd_kcontrol *kcontrol, struct snd_ctl return 0; } -static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_default_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); @@ -1011,19 +1041,21 @@ static unsigned short convert_from_spdif_status(unsigned int sbits) unsigned short val = 0; if (sbits & IEC958_AES0_PROFESSIONAL) - val |= 1 << 6; + val |= AC_DIG1_PROFESSIONAL; if (sbits & IEC958_AES0_NONAUDIO) - val |= 1 << 5; + val |= AC_DIG1_NONAUDIO; if (sbits & IEC958_AES0_PROFESSIONAL) { - if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) - val |= 1 << 3; + if ((sbits & IEC958_AES0_PRO_EMPHASIS) == + IEC958_AES0_PRO_EMPHASIS_5015) + val |= AC_DIG1_EMPHASIS; } else { - if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) - val |= 1 << 3; - if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) - val |= 1 << 4; + if ((sbits & IEC958_AES0_CON_EMPHASIS) == + IEC958_AES0_CON_EMPHASIS_5015) + val |= AC_DIG1_EMPHASIS; + if (!(sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) + val |= AC_DIG1_COPYRIGHT; if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) - val |= 1 << 7; + val |= AC_DIG1_LEVEL; val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); } return val; @@ -1035,26 +1067,27 @@ static unsigned int convert_to_spdif_status(unsigned short val) { unsigned int sbits = 0; - if (val & (1 << 5)) + if (val & AC_DIG1_NONAUDIO) sbits |= IEC958_AES0_NONAUDIO; - if (val & (1 << 6)) + if (val & AC_DIG1_PROFESSIONAL) sbits |= IEC958_AES0_PROFESSIONAL; if (sbits & IEC958_AES0_PROFESSIONAL) { - if (sbits & (1 << 3)) + if (sbits & AC_DIG1_EMPHASIS) sbits |= IEC958_AES0_PRO_EMPHASIS_5015; } else { - if (val & (1 << 3)) + if (val & AC_DIG1_EMPHASIS) sbits |= IEC958_AES0_CON_EMPHASIS_5015; - if (! (val & (1 << 4))) + if (!(val & AC_DIG1_COPYRIGHT)) sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; - if (val & (1 << 7)) + if (val & AC_DIG1_LEVEL) sbits |= (IEC958_AES1_CON_ORIGINAL << 8); sbits |= val & (0x7f << 8); } return sbits; } -static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = kcontrol->private_value; @@ -1072,15 +1105,18 @@ static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, struct snd_c codec->spdif_ctls = val; if (change || codec->in_resume) { - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8); + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, + val & 0xff); + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, + val >> 8); } mutex_unlock(&codec->spdif_mutex); return change; } -static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; @@ -1089,15 +1125,17 @@ static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, struct s return 0; } -static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - ucontrol->value.integer.value[0] = codec->spdif_ctls & 1; + ucontrol->value.integer.value[0] = codec->spdif_ctls & AC_DIG1_ENABLE; return 0; } -static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = kcontrol->private_value; @@ -1105,16 +1143,21 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, struct sn int change; mutex_lock(&codec->spdif_mutex); - val = codec->spdif_ctls & ~1; + val = codec->spdif_ctls & ~AC_DIG1_ENABLE; if (ucontrol->value.integer.value[0]) - val |= 1; + val |= AC_DIG1_ENABLE; change = codec->spdif_ctls != val; if (change || codec->in_resume) { codec->spdif_ctls = val; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, - AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT | - AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80)); + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, + val & 0xff); + /* unmute amp switch (if any) */ + if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && + (val & AC_DIG1_ENABLE)) + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_AMP_GAIN_MUTE, + AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT | + AC_AMP_SET_OUTPUT); } mutex_unlock(&codec->spdif_mutex); return change; @@ -1162,7 +1205,8 @@ static struct snd_kcontrol_new dig_mixes[] = { * * Returns 0 if successful, or a negative error code. */ -int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) +int __devinit snd_hda_create_spdif_out_ctls(struct hda_codec *codec, + hda_nid_t nid) { int err; struct snd_kcontrol *kctl; @@ -1171,10 +1215,12 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { kctl = snd_ctl_new1(dig_mix, codec); kctl->private_value = nid; - if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0) + err = snd_ctl_add(codec->bus->card, kctl); + if (err < 0) return err; } - codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0); + codec->spdif_ctls = + snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0); codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls); return 0; } @@ -1185,7 +1231,8 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info -static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); @@ -1193,7 +1240,8 @@ static int snd_hda_spdif_in_switch_get(struct snd_kcontrol *kcontrol, struct snd return 0; } -static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = kcontrol->private_value; @@ -1204,13 +1252,15 @@ static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, struct snd change = codec->spdif_in_enable != val; if (change || codec->in_resume) { codec->spdif_in_enable = val; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val); + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, + val); } mutex_unlock(&codec->spdif_mutex); return change; } -static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) +static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); hda_nid_t nid = kcontrol->private_value; @@ -1254,7 +1304,8 @@ static struct snd_kcontrol_new dig_in_ctls[] = { * * Returns 0 if successful, or a negative error code. */ -int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) +int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec, + hda_nid_t nid) { int err; struct snd_kcontrol *kctl; @@ -1263,10 +1314,13 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { kctl = snd_ctl_new1(dig_mix, codec); kctl->private_value = nid; - if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0) + err = snd_ctl_add(codec->bus->card, kctl); + if (err < 0) return err; } - codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1; + codec->spdif_in_enable = + snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & + AC_DIG1_ENABLE; return 0; } @@ -1304,15 +1358,14 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, * * Returns 0 if successful, otherwise a negative error code. */ -int snd_hda_build_controls(struct hda_bus *bus) +int __devinit snd_hda_build_controls(struct hda_bus *bus) { - struct list_head *p; + struct hda_codec *codec; /* build controls */ - list_for_each(p, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry(codec, &bus->codec_list, list) { int err; - if (! codec->patch_ops.build_controls) + if (!codec->patch_ops.build_controls) continue; err = codec->patch_ops.build_controls(codec); if (err < 0) @@ -1320,13 +1373,12 @@ int snd_hda_build_controls(struct hda_bus *bus) } /* initialize */ - list_for_each(p, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry(codec, &bus->codec_list, list) { int err; hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); - if (! codec->patch_ops.init) + if (!codec->patch_ops.init) continue; err = codec->patch_ops.init(codec); if (err < 0) @@ -1335,8 +1387,6 @@ int snd_hda_build_controls(struct hda_bus *bus) return 0; } -EXPORT_SYMBOL(snd_hda_build_controls); - /* * stream formats */ @@ -1361,6 +1411,11 @@ static struct hda_rate_tbl rate_bits[] = { { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */ { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */ { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */ +#define AC_PAR_PCM_RATE_BITS 11 + /* up to bits 10, 384kHZ isn't supported properly */ + + /* not autodetected value */ + { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */ { 0 } /* terminator */ }; @@ -1389,7 +1444,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate, val = rate_bits[i].hda_fmt; break; } - if (! rate_bits[i].hz) { + if (!rate_bits[i].hz) { snd_printdd("invalid rate %d\n", rate); return 0; } @@ -1414,15 +1469,14 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate, val |= 0x20; break; default: - snd_printdd("invalid format width %d\n", snd_pcm_format_width(format)); + snd_printdd("invalid format width %d\n", + snd_pcm_format_width(format)); return 0; } return val; } -EXPORT_SYMBOL(snd_hda_calc_stream_format); - /** * snd_hda_query_supported_pcm - query the supported PCM rates and formats * @codec: the HDA codec @@ -1449,12 +1503,12 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, if (val == -1) return -EIO; } - if (! val) + if (!val) val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); if (ratesp) { u32 rates = 0; - for (i = 0; rate_bits[i].hz; i++) { + for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) { if (val & (1 << i)) rates |= rate_bits[i].alsa_bits; } @@ -1470,8 +1524,9 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM); if (streams == -1) return -EIO; - if (! streams) { - streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); + if (!streams) { + streams = snd_hda_param_read(codec, codec->afg, + AC_PAR_STREAM); if (streams == -1) return -EIO; } @@ -1495,7 +1550,8 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, bps = 24; else if (val & AC_SUPPCM_BITS_20) bps = 20; - } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) { + } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24| + AC_SUPPCM_BITS_32)) { formats |= SNDRV_PCM_FMTBIT_S32_LE; if (val & AC_SUPPCM_BITS_32) bps = 32; @@ -1505,10 +1561,12 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, bps = 20; } } - else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */ + else if (streams == AC_SUPFMT_FLOAT32) { + /* should be exclusive */ formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; bps = 32; - } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */ + } else if (streams == AC_SUPFMT_AC3) { + /* should be exclusive */ /* temporary hack: we have still no proper support * for the direct AC3 stream... */ @@ -1525,7 +1583,8 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, } /** - * snd_hda_is_supported_format - check whether the given node supports the format val + * snd_hda_is_supported_format - check whether the given node supports + * the format val * * Returns 1 if supported, 0 if not. */ @@ -1541,50 +1600,50 @@ int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, if (val == -1) return 0; } - if (! val) { + if (!val) { val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); if (val == -1) return 0; } rate = format & 0xff00; - for (i = 0; rate_bits[i].hz; i++) + for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) if (rate_bits[i].hda_fmt == rate) { if (val & (1 << i)) break; return 0; } - if (! rate_bits[i].hz) + if (i >= AC_PAR_PCM_RATE_BITS) return 0; stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM); if (stream == -1) return 0; - if (! stream && nid != codec->afg) + if (!stream && nid != codec->afg) stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); - if (! stream || stream == -1) + if (!stream || stream == -1) return 0; if (stream & AC_SUPFMT_PCM) { switch (format & 0xf0) { case 0x00: - if (! (val & AC_SUPPCM_BITS_8)) + if (!(val & AC_SUPPCM_BITS_8)) return 0; break; case 0x10: - if (! (val & AC_SUPPCM_BITS_16)) + if (!(val & AC_SUPPCM_BITS_16)) return 0; break; case 0x20: - if (! (val & AC_SUPPCM_BITS_20)) + if (!(val & AC_SUPPCM_BITS_20)) return 0; break; case 0x30: - if (! (val & AC_SUPPCM_BITS_24)) + if (!(val & AC_SUPPCM_BITS_24)) return 0; break; case 0x40: - if (! (val & AC_SUPPCM_BITS_32)) + if (!(val & AC_SUPPCM_BITS_32)) return 0; break; default: @@ -1625,15 +1684,15 @@ static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, return 0; } -static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info) +static int __devinit set_pcm_default_values(struct hda_codec *codec, + struct hda_pcm_stream *info) { - if (info->nid) { - /* query support PCM information from the given NID */ - if (! info->rates || ! info->formats) - snd_hda_query_supported_pcm(codec, info->nid, - info->rates ? NULL : &info->rates, - info->formats ? NULL : &info->formats, - info->maxbps ? NULL : &info->maxbps); + /* query support PCM information from the given NID */ + if (info->nid && (!info->rates || !info->formats)) { + snd_hda_query_supported_pcm(codec, info->nid, + info->rates ? NULL : &info->rates, + info->formats ? NULL : &info->formats, + info->maxbps ? NULL : &info->maxbps); } if (info->ops.open == NULL) info->ops.open = hda_pcm_default_open_close; @@ -1676,15 +1735,14 @@ static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream * * This function returns 0 if successfull, or a negative error code. */ -int snd_hda_build_pcms(struct hda_bus *bus) +int __devinit snd_hda_build_pcms(struct hda_bus *bus) { - struct list_head *p; + struct hda_codec *codec; - list_for_each(p, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry(codec, &bus->codec_list, list) { unsigned int pcm, s; int err; - if (! codec->patch_ops.build_pcms) + if (!codec->patch_ops.build_pcms) continue; err = codec->patch_ops.build_pcms(codec); if (err < 0) @@ -1693,7 +1751,7 @@ int snd_hda_build_pcms(struct hda_bus *bus) for (s = 0; s < 2; s++) { struct hda_pcm_stream *info; info = &codec->pcm_info[pcm].stream[s]; - if (! info->substreams) + if (!info->substreams) continue; err = set_pcm_default_values(codec, info); if (err < 0) @@ -1704,8 +1762,6 @@ int snd_hda_build_pcms(struct hda_bus *bus) return 0; } -EXPORT_SYMBOL(snd_hda_build_pcms); - /** * snd_hda_check_board_config - compare the current codec with the config table * @codec: the HDA codec @@ -1719,9 +1775,9 @@ EXPORT_SYMBOL(snd_hda_build_pcms); * * If no entries are matching, the function returns a negative value. */ -int snd_hda_check_board_config(struct hda_codec *codec, - int num_configs, const char **models, - const struct snd_pci_quirk *tbl) +int __devinit snd_hda_check_board_config(struct hda_codec *codec, + int num_configs, const char **models, + const struct snd_pci_quirk *tbl) { if (codec->bus->modelname && models) { int i; @@ -1771,24 +1827,26 @@ int snd_hda_check_board_config(struct hda_codec *codec, * * Returns 0 if successful, or a negative error code. */ -int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) +int __devinit snd_hda_add_new_ctls(struct hda_codec *codec, + struct snd_kcontrol_new *knew) { int err; for (; knew->name; knew++) { struct snd_kcontrol *kctl; kctl = snd_ctl_new1(knew, codec); - if (! kctl) + if (!kctl) return -ENOMEM; err = snd_ctl_add(codec->bus->card, kctl); if (err < 0) { - if (! codec->addr) + if (!codec->addr) return err; kctl = snd_ctl_new1(knew, codec); - if (! kctl) + if (!kctl) return -ENOMEM; kctl->id.device = codec->addr; - if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0) + err = snd_ctl_add(codec->bus->card, kctl); + if (err < 0) return err; } } @@ -1799,8 +1857,10 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) /* * Channel mode helper */ -int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinfo, - const struct hda_channel_mode *chmode, int num_chmodes) +int snd_hda_ch_mode_info(struct hda_codec *codec, + struct snd_ctl_elem_info *uinfo, + const struct hda_channel_mode *chmode, + int num_chmodes) { uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; @@ -1812,8 +1872,10 @@ int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinf return 0; } -int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol, - const struct hda_channel_mode *chmode, int num_chmodes, +int snd_hda_ch_mode_get(struct hda_codec *codec, + struct snd_ctl_elem_value *ucontrol, + const struct hda_channel_mode *chmode, + int num_chmodes, int max_channels) { int i; @@ -1827,15 +1889,17 @@ int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucon return 0; } -int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol, - const struct hda_channel_mode *chmode, int num_chmodes, +int snd_hda_ch_mode_put(struct hda_codec *codec, + struct snd_ctl_elem_value *ucontrol, + const struct hda_channel_mode *chmode, + int num_chmodes, int *max_channelsp) { unsigned int mode; mode = ucontrol->value.enumerated.item[0]; snd_assert(mode < num_chmodes, return -EINVAL); - if (*max_channelsp == chmode[mode].channels && ! codec->in_resume) + if (*max_channelsp == chmode[mode].channels && !codec->in_resume) return 0; /* change the current channel setting */ *max_channelsp = chmode[mode].channels; @@ -1847,7 +1911,8 @@ int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucon /* * input MUX helper */ -int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem_info *uinfo) +int snd_hda_input_mux_info(const struct hda_input_mux *imux, + struct snd_ctl_elem_info *uinfo) { unsigned int index; @@ -1861,8 +1926,10 @@ int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem return 0; } -int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux, - struct snd_ctl_elem_value *ucontrol, hda_nid_t nid, +int snd_hda_input_mux_put(struct hda_codec *codec, + const struct hda_input_mux *imux, + struct snd_ctl_elem_value *ucontrol, + hda_nid_t nid, unsigned int *cur_val) { unsigned int idx; @@ -1870,7 +1937,7 @@ int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *i idx = ucontrol->value.enumerated.item[0]; if (idx >= imux->num_items) idx = imux->num_items - 1; - if (*cur_val == idx && ! codec->in_resume) + if (*cur_val == idx && !codec->in_resume) return 0; snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, imux->items[idx].index); @@ -1883,25 +1950,53 @@ int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *i * Multi-channel / digital-out PCM helper functions */ +/* setup SPDIF output stream */ +static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid, + unsigned int stream_tag, unsigned int format) +{ + /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ + if (codec->spdif_ctls & AC_DIG1_ENABLE) + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, + codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff); + snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format); + /* turn on again (if needed) */ + if (codec->spdif_ctls & AC_DIG1_ENABLE) + snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, + codec->spdif_ctls & 0xff); +} + /* * open the digital out in the exclusive mode */ -int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout) +int snd_hda_multi_out_dig_open(struct hda_codec *codec, + struct hda_multi_out *mout) { mutex_lock(&codec->spdif_mutex); - if (mout->dig_out_used) { - mutex_unlock(&codec->spdif_mutex); - return -EBUSY; /* already being used */ - } + if (mout->dig_out_used == HDA_DIG_ANALOG_DUP) + /* already opened as analog dup; reset it once */ + snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0); mout->dig_out_used = HDA_DIG_EXCLUSIVE; mutex_unlock(&codec->spdif_mutex); return 0; } +int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, + struct hda_multi_out *mout, + unsigned int stream_tag, + unsigned int format, + struct snd_pcm_substream *substream) +{ + mutex_lock(&codec->spdif_mutex); + setup_dig_out_stream(codec, mout->dig_out_nid, stream_tag, format); + mutex_unlock(&codec->spdif_mutex); + return 0; +} + /* * release the digital out */ -int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout) +int snd_hda_multi_out_dig_close(struct hda_codec *codec, + struct hda_multi_out *mout) { mutex_lock(&codec->spdif_mutex); mout->dig_out_used = 0; @@ -1912,7 +2007,8 @@ int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *m /* * set up more restrictions for analog out */ -int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout, +int snd_hda_multi_out_analog_open(struct hda_codec *codec, + struct hda_multi_out *mout, struct snd_pcm_substream *substream) { substream->runtime->hw.channels_max = mout->max_channels; @@ -1924,7 +2020,8 @@ int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out * set up the i/o for analog out * when the digital out is available, copy the front out to digital out, too. */ -int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout, +int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, + struct hda_multi_out *mout, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream) @@ -1936,24 +2033,27 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_o mutex_lock(&codec->spdif_mutex); if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) { if (chs == 2 && - snd_hda_is_supported_format(codec, mout->dig_out_nid, format) && - ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) { + snd_hda_is_supported_format(codec, mout->dig_out_nid, + format) && + !(codec->spdif_status & IEC958_AES0_NONAUDIO)) { mout->dig_out_used = HDA_DIG_ANALOG_DUP; - /* setup digital receiver */ - snd_hda_codec_setup_stream(codec, mout->dig_out_nid, - stream_tag, 0, format); + setup_dig_out_stream(codec, mout->dig_out_nid, + stream_tag, format); } else { mout->dig_out_used = 0; - snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0); + snd_hda_codec_setup_stream(codec, mout->dig_out_nid, + 0, 0, 0); } } mutex_unlock(&codec->spdif_mutex); /* front */ - snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format); + snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, + 0, format); if (mout->hp_nid && mout->hp_nid != nids[HDA_FRONT]) /* headphone out will just decode front left/right (stereo) */ - snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format); + snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, + 0, format); /* extra outputs copied from front */ for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++) if (mout->extra_out_nid[i]) @@ -1964,11 +2064,11 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_o /* surrounds */ for (i = 1; i < mout->num_dacs; i++) { if (chs >= (i + 1) * 2) /* independent out */ - snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2, - format); + snd_hda_codec_setup_stream(codec, nids[i], stream_tag, + i * 2, format); else /* copy front */ - snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0, - format); + snd_hda_codec_setup_stream(codec, nids[i], stream_tag, + 0, format); } return 0; } @@ -1976,7 +2076,8 @@ int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_o /* * clean up the setting for analog out */ -int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout) +int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, + struct hda_multi_out *mout) { hda_nid_t *nids = mout->dac_nids; int i; @@ -2003,7 +2104,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_o * Helper for automatic ping configuration */ -static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) +static int __devinit is_in_nid_list(hda_nid_t nid, hda_nid_t *list) { for (; *list; list++) if (*list == nid) @@ -2011,6 +2112,32 @@ static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) return 0; } + +/* + * Sort an associated group of pins according to their sequence numbers. + */ +static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences, + int num_pins) +{ + int i, j; + short seq; + hda_nid_t nid; + + for (i = 0; i < num_pins; i++) { + for (j = i + 1; j < num_pins; j++) { + if (sequences[i] > sequences[j]) { + seq = sequences[i]; + sequences[i] = sequences[j]; + sequences[j] = seq; + nid = pins[i]; + pins[i] = pins[j]; + pins[j] = nid; + } + } + } +} + + /* * Parse all pin widgets and store the useful pin nids to cfg * @@ -2028,22 +2155,27 @@ static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, * respectively. */ -int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg, - hda_nid_t *ignore_nids) +int __devinit snd_hda_parse_pin_def_config(struct hda_codec *codec, + struct auto_pin_cfg *cfg, + hda_nid_t *ignore_nids) { hda_nid_t nid, nid_start; - int i, j, nodes; - short seq, assoc_line_out, sequences[ARRAY_SIZE(cfg->line_out_pins)]; + int nodes; + short seq, assoc_line_out, assoc_speaker; + short sequences_line_out[ARRAY_SIZE(cfg->line_out_pins)]; + short sequences_speaker[ARRAY_SIZE(cfg->speaker_pins)]; memset(cfg, 0, sizeof(*cfg)); - memset(sequences, 0, sizeof(sequences)); - assoc_line_out = 0; + memset(sequences_line_out, 0, sizeof(sequences_line_out)); + memset(sequences_speaker, 0, sizeof(sequences_speaker)); + assoc_line_out = assoc_speaker = 0; nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start); for (nid = nid_start; nid < nodes + nid_start; nid++) { unsigned int wid_caps = get_wcaps(codec, nid); - unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; + unsigned int wid_type = + (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; unsigned int def_conf; short assoc, loc; @@ -2054,7 +2186,8 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *c if (ignore_nids && is_in_nid_list(nid, ignore_nids)) continue; - def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); + def_conf = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_CONFIG_DEFAULT, 0); if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) continue; loc = get_defcfg_location(def_conf); @@ -2062,22 +2195,31 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *c case AC_JACK_LINE_OUT: seq = get_defcfg_sequence(def_conf); assoc = get_defcfg_association(def_conf); - if (! assoc) + if (!assoc) continue; - if (! assoc_line_out) + if (!assoc_line_out) assoc_line_out = assoc; else if (assoc_line_out != assoc) continue; if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) continue; cfg->line_out_pins[cfg->line_outs] = nid; - sequences[cfg->line_outs] = seq; + sequences_line_out[cfg->line_outs] = seq; cfg->line_outs++; break; case AC_JACK_SPEAKER: + seq = get_defcfg_sequence(def_conf); + assoc = get_defcfg_association(def_conf); + if (! assoc) + continue; + if (! assoc_speaker) + assoc_speaker = assoc; + else if (assoc_speaker != assoc) + continue; if (cfg->speaker_outs >= ARRAY_SIZE(cfg->speaker_pins)) continue; cfg->speaker_pins[cfg->speaker_outs] = nid; + sequences_speaker[cfg->speaker_outs] = seq; cfg->speaker_outs++; break; case AC_JACK_HP_OUT: @@ -2123,34 +2265,45 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *c } /* sort by sequence */ - for (i = 0; i < cfg->line_outs; i++) - for (j = i + 1; j < cfg->line_outs; j++) - if (sequences[i] > sequences[j]) { - seq = sequences[i]; - sequences[i] = sequences[j]; - sequences[j] = seq; - nid = cfg->line_out_pins[i]; - cfg->line_out_pins[i] = cfg->line_out_pins[j]; - cfg->line_out_pins[j] = nid; - } + sort_pins_by_sequence(cfg->line_out_pins, sequences_line_out, + cfg->line_outs); + sort_pins_by_sequence(cfg->speaker_pins, sequences_speaker, + cfg->speaker_outs); + + /* + * FIX-UP: if no line-outs are detected, try to use speaker or HP pin + * as a primary output + */ + if (!cfg->line_outs) { + if (cfg->speaker_outs) { + cfg->line_outs = cfg->speaker_outs; + memcpy(cfg->line_out_pins, cfg->speaker_pins, + sizeof(cfg->speaker_pins)); + cfg->speaker_outs = 0; + memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); + cfg->line_out_type = AUTO_PIN_SPEAKER_OUT; + } else if (cfg->hp_outs) { + cfg->line_outs = cfg->hp_outs; + memcpy(cfg->line_out_pins, cfg->hp_pins, + sizeof(cfg->hp_pins)); + cfg->hp_outs = 0; + memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); + cfg->line_out_type = AUTO_PIN_HP_OUT; + } + } /* Reorder the surround channels * ALSA sequence is front/surr/clfe/side * HDA sequence is: * 4-ch: front/surr => OK as it is * 6-ch: front/clfe/surr - * 8-ch: front/clfe/side/surr + * 8-ch: front/clfe/rear/side|fc */ switch (cfg->line_outs) { case 3: - nid = cfg->line_out_pins[1]; - cfg->line_out_pins[1] = cfg->line_out_pins[2]; - cfg->line_out_pins[2] = nid; - break; case 4: nid = cfg->line_out_pins[1]; - cfg->line_out_pins[1] = cfg->line_out_pins[3]; - cfg->line_out_pins[3] = cfg->line_out_pins[2]; + cfg->line_out_pins[1] = cfg->line_out_pins[2]; cfg->line_out_pins[2] = nid; break; } @@ -2179,26 +2332,6 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *c cfg->input_pins[AUTO_PIN_CD], cfg->input_pins[AUTO_PIN_AUX]); - /* - * FIX-UP: if no line-outs are detected, try to use speaker or HP pin - * as a primary output - */ - if (! cfg->line_outs) { - if (cfg->speaker_outs) { - cfg->line_outs = cfg->speaker_outs; - memcpy(cfg->line_out_pins, cfg->speaker_pins, - sizeof(cfg->speaker_pins)); - cfg->speaker_outs = 0; - memset(cfg->speaker_pins, 0, sizeof(cfg->speaker_pins)); - } else if (cfg->hp_outs) { - cfg->line_outs = cfg->hp_outs; - memcpy(cfg->line_out_pins, cfg->hp_pins, - sizeof(cfg->hp_pins)); - cfg->hp_outs = 0; - memset(cfg->hp_pins, 0, sizeof(cfg->hp_pins)); - } - } - return 0; } @@ -2222,11 +2355,10 @@ const char *auto_pin_cfg_labels[AUTO_PIN_LAST] = { */ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) { - struct list_head *p; + struct hda_codec *codec; /* FIXME: should handle power widget capabilities */ - list_for_each(p, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry(codec, &bus->codec_list, list) { if (codec->patch_ops.suspend) codec->patch_ops.suspend(codec, state); hda_set_power_state(codec, @@ -2236,8 +2368,6 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) return 0; } -EXPORT_SYMBOL(snd_hda_suspend); - /** * snd_hda_resume - resume the codecs * @bus: the HDA bus @@ -2247,10 +2377,9 @@ EXPORT_SYMBOL(snd_hda_suspend); */ int snd_hda_resume(struct hda_bus *bus) { - struct list_head *p; + struct hda_codec *codec; - list_for_each(p, &bus->codec_list) { - struct hda_codec *codec = list_entry(p, struct hda_codec, list); + list_for_each_entry(codec, &bus->codec_list, list) { hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); @@ -2260,8 +2389,6 @@ int snd_hda_resume(struct hda_bus *bus) return 0; } -EXPORT_SYMBOL(snd_hda_resume); - /** * snd_hda_resume_ctls - resume controls in the new control list * @codec: the HDA codec @@ -2276,7 +2403,7 @@ int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) struct snd_ctl_elem_value *val; val = kmalloc(sizeof(*val), GFP_KERNEL); - if (! val) + if (!val) return -ENOMEM; codec->in_resume = 1; for (; knew->name; knew++) { @@ -2320,19 +2447,3 @@ int snd_hda_resume_spdif_in(struct hda_codec *codec) return snd_hda_resume_ctls(codec, dig_in_ctls); } #endif - -/* - * INIT part - */ - -static int __init alsa_hda_init(void) -{ - return 0; -} - -static void __exit alsa_hda_exit(void) -{ -} - -module_init(alsa_hda_init) -module_exit(alsa_hda_exit) |