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[ALSA] Fix EAPD for MSI S270

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AC97 Codec
Fix pin47 setting for EAPD control on MSI S270 laptop.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2005-08-31 17:31:07 +02:00 committed by Jaroslav Kysela
parent 9f566cfde1
commit ee71508e73
1 changed files with 7 additions and 2 deletions
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9
sound/pci/ac97/ac97_patch.c
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@ -2145,8 +2145,13 @@ int patch_alc655(ac97_t * ac97)
val = snd_ac97_read(ac97, 0x7a); /* misc control */
if (ac97->id == 0x414c4780) /* ALC658 */
val &= ~(1 << 1); /* Pin 47 is spdif input pin */
else /* ALC655 */
val |= (1 << 1); /* Pin 47 is spdif input pin */
else { /* ALC655 */
if (ac97->subsystem_vendor == 0x1462 &&
ac97->subsystem_device == 0x0131) /* MSI S270 laptop */
val &= ~(1 << 1); /* Pin 47 is EAPD (for internal speaker) */
else
val |= (1 << 1); /* Pin 47 is spdif input pin */
}
val &= ~(1 << 12); /* vref enable */
snd_ac97_write_cache(ac97, 0x7a, val);
/* set default: spdif-in enabled,