diff options
| author | Kailang Yang <kailang@realtek.com> | 2014-03-18 16:15:54 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-03-18 09:49:27 +0100 |
| commit | 7b5c7a0240b11b382073361c4ba9257c42d057e9 (patch) | |
| tree | 536729746d5e574ddf4e58b5b3ad703318313cab /sound/pci/hda | |
| parent | 6bd55b04fe05cb26094b0fe494c7a207e6c0c36e (diff) | |
| download | linux-7b5c7a0240b11b382073361c4ba9257c42d057e9.tar.gz | |
ALSA: hda/realtek - Fix the noise after suspend and resume on ALC282 codec
When the power state of ALC283 codec goes to D3 or return back to D0, it gives a noise via headphone output. To follow the depop procedure, it will be better. Signed-off-by: Kailang Yang <kailang@realtek.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index e86579d476ec..054489757528 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2786,6 +2786,77 @@ static void alc269_shutup(struct hda_codec *codec) snd_hda_shutup_pins(codec); } +static void alc282_init(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0]; + bool hp_pin_sense; + int coef78; + + if (!hp_pin) + return; + hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); + coef78 = alc_read_coef_idx(codec, 0x78); + + /* Index 0x78 Direct Drive HP AMP LPM Control 1 */ + /* Headphone capless set to high power mode */ + alc_write_coef_idx(codec, 0x78, 0x9004); + + if (hp_pin_sense) + msleep(2); + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); + + if (hp_pin_sense) + msleep(85); + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + + if (hp_pin_sense) + msleep(100); + + /* Headphone capless set to normal mode */ + alc_write_coef_idx(codec, 0x78, coef78); +} + +static void alc282_shutup(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + hda_nid_t hp_pin = spec->gen.autocfg.hp_pins[0]; + bool hp_pin_sense; + int coef78; + + if (!hp_pin) { + alc269_shutup(codec); + return; + } + + hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); + coef78 = alc_read_coef_idx(codec, 0x78); + alc_write_coef_idx(codec, 0x78, 0x9004); + + if (hp_pin_sense) + msleep(2); + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); + + if (hp_pin_sense) + msleep(85); + + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + + if (hp_pin_sense) + msleep(100); + + alc_auto_setup_eapd(codec, false); + snd_hda_shutup_pins(codec); + alc_write_coef_idx(codec, 0x78, coef78); +} + static void alc283_restore_default_value(struct hda_codec *codec) { int val; @@ -4687,6 +4758,8 @@ static int patch_alc269(struct hda_codec *codec) break; case 0x10ec0282: spec->codec_variant = ALC269_TYPE_ALC282; + spec->shutup = alc282_shutup; + spec->init_hook = alc282_init; break; case 0x10ec0233: case 0x10ec0283: |