diff options
Diffstat (limited to 'sound/pci/ac97/ac97_patch.c')
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index b584172c1104..045ddc743edc 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -2134,7 +2134,13 @@ int patch_alc655(ac97_t * ac97) { unsigned int val; - ac97->spec.dev_flags = (ac97->id == 0x414c4780); /* ALC658 */ + if (ac97->id == AC97_ID_ALC658) { + ac97->spec.dev_flags = 1; /* ALC658 */ + if ((snd_ac97_read(ac97, AC97_ALC650_REVISION) & 0x3f) == 2) { + ac97->id = AC97_ID_ALC658D; + ac97->spec.dev_flags = 2; + } + } ac97->build_ops = &patch_alc655_ops; @@ -2143,10 +2149,15 @@ int patch_alc655(ac97_t * ac97) /* adjust default values */ val = snd_ac97_read(ac97, 0x7a); /* misc control */ - if (ac97->id == 0x414c4780) /* ALC658 */ + if (ac97->spec.dev_flags) /* 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, @@ -2159,6 +2170,11 @@ int patch_alc655(ac97_t * ac97) /* full DAC volume */ snd_ac97_write_cache(ac97, AC97_ALC650_SURR_DAC_VOL, 0x0808); snd_ac97_write_cache(ac97, AC97_ALC650_LFE_DAC_VOL, 0x0808); + + /* update undocumented bit... */ + if (ac97->id == AC97_ID_ALC658D) + snd_ac97_update_bits(ac97, 0x74, 0x0800, 0x0800); + return 0; } |