diff options
| -rw-r--r-- | sound/pci/hda/hda_controller.c | 4 | ||||
| -rw-r--r-- | sound/pci/hda/hda_controller.h | 1 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 10 |
3 files changed, 12 insertions, 3 deletions
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 500878556578..3715a5725613 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -861,6 +861,10 @@ static int azx_rirb_get_response(struct hdac_bus *bus, unsigned int addr, return -EIO; } + /* no fallback mechanism? */ + if (!chip->fallback_to_single_cmd) + return -EIO; + /* a fatal communication error; need either to reset or to fallback * to the single_cmd mode */ diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h index a50e0532622a..35a9ab2cac46 100644 --- a/sound/pci/hda/hda_controller.h +++ b/sound/pci/hda/hda_controller.h @@ -150,6 +150,7 @@ struct azx { int bdl_pos_adj; int poll_count; unsigned int running:1; + unsigned int fallback_to_single_cmd:1; unsigned int single_cmd:1; unsigned int polling_mode:1; unsigned int msi:1; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 2587c197e353..faf99cc71277 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -128,7 +128,7 @@ static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1}; static int probe_only[SNDRV_CARDS]; static int jackpoll_ms[SNDRV_CARDS]; -static bool single_cmd; +static int single_cmd = -1; static int enable_msi = -1; #ifdef CONFIG_SND_HDA_PATCH_LOADER static char *patch[SNDRV_CARDS]; @@ -157,7 +157,7 @@ module_param_array(probe_only, int, NULL, 0444); MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization."); module_param_array(jackpoll_ms, int, NULL, 0444); MODULE_PARM_DESC(jackpoll_ms, "Ms between polling for jack events (default = 0, using unsol events only)"); -module_param(single_cmd, bool, 0444); +module_param(single_cmd, bint, 0444); MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs " "(for debugging only)."); module_param(enable_msi, bint, 0444); @@ -1596,7 +1596,11 @@ static int azx_create(struct snd_card *card, struct pci_dev *pci, check_probe_mask(chip, dev); - chip->single_cmd = single_cmd; + if (single_cmd < 0) /* allow fallback to single_cmd at errors */ + chip->fallback_to_single_cmd = 1; + else /* explicitly set to single_cmd or not */ + chip->single_cmd = single_cmd; + azx_check_snoop_available(chip); if (bdl_pos_adj[dev] < 0) |