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Commit 9f458e7f authored by Andrey Liakhovets's avatar Andrey Liakhovets Committed by Jaroslav Kysela
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[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: default avatarAndrey Liakhovets <liakh@dol.ru>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 33925186

sound/pci/ac97/ac97_patch.c

+4 −0
Original line number Diff line number Diff line
@@ -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;