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@xxxxxx>
---
sound/pci/ac97/ac97_patch.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
Index: linux-2.6.18-rc5-vs/sound/pci/ac97/ac97_patch.c
===================================================================
--- linux-2.6.18-rc5-vs.orig/sound/pci/ac97/ac97_patch.c
+++ linux-2.6.18-rc5-vs/sound/pci/ac97/ac97_patch.c
@@ -1380,6 +1380,17 @@ static void ad1888_resume(struct snd_ac9
#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;
@@ -1387,6 +1398,7 @@ 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;
}
--
Ville Syrjälä
syrjala@xxxxxx
http://www.sci.fi/~syrjala/
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