iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ALSA: hda/realtek - Fix the noise after suspend and resume on ALC282 codec

Browse Source 
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>
This commit is contained in:
Kailang Yang 2014-03-18 16:15:54 +08:00 committed by Takashi Iwai
parent 6bd55b04fe
commit 7b5c7a0240
1 changed files with 73 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
sound/pci/hda/patch_realtek.c
View File

@ -2786,6 +2786,77 @@ static void alc269_shutup(struct hda_codec *codec)
snd_hda_shutup_pins(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) static void alc283_restore_default_value(struct hda_codec *codec)
{ {
int val; int val;
@ -4687,6 +4758,8 @@ static int patch_alc269(struct hda_codec *codec)
break; break;
case 0x10ec0282: case 0x10ec0282:
spec->codec_variant = ALC269_TYPE_ALC282; spec->codec_variant = ALC269_TYPE_ALC282;
spec->shutup = alc282_shutup;
spec->init_hook = alc282_init;
break; break;
case 0x10ec0233: case 0x10ec0233:
case 0x10ec0283: case 0x10ec0283: