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[ALSA] ac97: Fix AD1819 volume range 

AD1819 volume registers can hold extra bits which do not affect the
actual volume. Add a res_table to the codec patch to fix the problem.
PCM, line and mic volume were tested.

Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Ville Syrjala 2006-09-04 12:28:24 +02:00 committed by Jaroslav Kysela
parent 93ed150375
commit bd25b7cae1
1 changed files with 12 additions and 0 deletions
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12
sound/pci/ac97/ac97_patch.c
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@ -1395,6 +1395,17 @@ static void ad1888_resume(struct snd_ac97 *ac97)
#endif
static const struct snd_ac97_res_table ad1819_restbl[] = {
{ AC97_PHONE, 0x9f1f },
{ AC97_MIC, 0x9f1f },
{ AC97_LINE, 0x9f1f },
{ AC97_CD, 0x9f1f },
{ AC97_VIDEO, 0x9f1f },
{ AC97_AUX, 0x9f1f },
{ AC97_PCM, 0x9f1f },
{ } /* terminator */
};
int patch_ad1819(struct snd_ac97 * ac97)
{
unsigned short scfg;
@ -1402,6 +1413,7 @@ int patch_ad1819(struct snd_ac97 * ac97)
// patch for Analog Devices
scfg = snd_ac97_read(ac97, AC97_AD_SERIAL_CFG);
snd_ac97_write_cache(ac97, AC97_AD_SERIAL_CFG, scfg | 0x7000); /* select all codecs */
ac97->res_table = ad1819_restbl;
return 0;
}