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| author | Andrey Liakhovets <liakh@dol.ru> | 2006-08-28 16:52:41 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:44:53 +0200 |
| commit | 9f458e7fb5b92385d348fb6039ba7211a6d6ba6e (patch) | |
| tree | 9ac4a4857f3deb6ac8bd4eccf468f353a4a3be9c | |
| parent | 33925186d843e7004288cd3d87843c5a1dbf55a4 (diff) | |
| download | linux-9f458e7fb5b92385d348fb6039ba7211a6d6ba6e.tar.bz2 | |
[ALSA] ac97 - Fix VIA EPIA sound problem
Fix the bad sound quality on VIA EPIA system using VIA VT1617A
(ALSA bug#2381).
Signed-off-by: Andrey Liakhovets <liakh@dol.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 392f6ccace5d..bdd7f89234f6 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -2799,6 +2799,10 @@ int patch_vt1616(struct snd_ac97 * ac97) */ int patch_vt1617a(struct snd_ac97 * ac97) { + /* bring analog power consumption to normal, like WinXP driver + * for EPIA SP + */ + snd_ac97_write_cache(ac97, 0x5c, 0x20); ac97->ext_id |= AC97_EI_SPDIF; /* force the detection of spdif */ ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000; return 0; |