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ALSA: ac97 - Enable mono-out on ALC203 codec as default

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Use pin 37 for mono-out as default on ALC203.

Reported-by: george pee <georgepee@gmail.com>
Tested-by: george pee <georgepee@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Takashi Iwai 2008-08-05 15:45:45 +02:00 committed by Jaroslav Kysela
parent b9c196e145
commit 8f4f4ef6fe
2 changed files with 9 additions and 1 deletions
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2
sound/pci/ac97/ac97_codec.c
View File

@ -122,7 +122,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = {
{ 0x414c4740, 0xfffffff0, "ALC202", NULL, NULL },
{ 0x414c4750, 0xfffffff0, "ALC250", NULL, NULL },
{ 0x414c4760, 0xfffffff0, "ALC655", patch_alc655, NULL },
{ 0x414c4770, 0xfffffff0, "ALC203", NULL, NULL },
{ 0x414c4770, 0xfffffff0, "ALC203", patch_alc203, NULL },
{ 0x414c4781, 0xffffffff, "ALC658D", NULL, NULL }, /* already patched */
{ 0x414c4780, 0xfffffff0, "ALC658", patch_alc655, NULL },
{ 0x414c4790, 0xfffffff0, "ALC850", patch_alc850, NULL },

8
sound/pci/ac97/ac97_patch.c
View File

@ -2560,6 +2560,14 @@ static int patch_ad1986(struct snd_ac97 * ac97)
return 0;
}
/*
* realtek ALC203: use mono-out for pin 37
*/
static int patch_alc203(struct snd_ac97 *ac97)
{
snd_ac97_update_bits(ac97, 0x7a, 0x400, 0x400);
return 0;
}
/*
* realtek ALC65x/850 codecs