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authorAndrey Liakhovets <liakh@dol.ru>2006-08-28 10:52:41 -0400
committerJaroslav Kysela <perex@suse.cz>2006-09-23 04:44:53 -0400
commit9f458e7fb5b92385d348fb6039ba7211a6d6ba6e (patch)
tree9ac4a4857f3deb6ac8bd4eccf468f353a4a3be9c /sound/pci
parent33925186d843e7004288cd3d87843c5a1dbf55a4 (diff)
[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>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/ac97/ac97_patch.c4
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)
2799 */ 2799 */
2800int patch_vt1617a(struct snd_ac97 * ac97) 2800int patch_vt1617a(struct snd_ac97 * ac97)
2801{ 2801{
2802 /* bring analog power consumption to normal, like WinXP driver
2803 * for EPIA SP
2804 */
2805 snd_ac97_write_cache(ac97, 0x5c, 0x20);
2802 ac97->ext_id |= AC97_EI_SPDIF; /* force the detection of spdif */ 2806 ac97->ext_id |= AC97_EI_SPDIF; /* force the detection of spdif */
2803 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000; 2807 ac97->rates[AC97_RATES_SPDIF] = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
2804 return 0; 2808 return 0;