diff options
| author | Ville Syrjala <syrjala@sci.fi> | 2006-09-04 12:28:24 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:45:48 +0200 |
| commit | bd25b7cae1e763b292f359170e16bccd01c7ee5c (patch) | |
| tree | ede5771f67361bb6d2e139c25e4e79d66fed4728 /sound | |
| parent | 93ed150375187ae7917ed1e3b9b830b9d4065bad (diff) | |
| download | linux-next-bd25b7cae1e763b292f359170e16bccd01c7ee5c.tar.gz | |
[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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index bdd7f89234f6..9be4ceb6838e 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -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; } |