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ALSA: HDA VIA: Limit VT1702 AA-Path max volume 

according to customer request, VT1702 AA-Path max volume (12 dB) is too
high, so limit to 0 dB.

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lydia Wang 2009-10-10 19:07:32 +08:00 committed by Takashi Iwai
parent 518bf3ba75
commit c2c02ea326
1 changed files with 6 additions and 0 deletions
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6
sound/pci/hda/patch_via.c
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@ -3166,6 +3166,12 @@ static int vt1702_parse_auto_config(struct hda_codec *codec)
err = vt1702_auto_create_hp_ctls(spec, spec->autocfg.hp_pins[0]);
if (err < 0)
return err;
/* limit AA path volume to 0 dB */
snd_hda_override_amp_caps(codec, 0x1A, HDA_INPUT,
(0x17 << AC_AMPCAP_OFFSET_SHIFT) |
(0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
(0x5 << AC_AMPCAP_STEP_SIZE_SHIFT) |
(1 << AC_AMPCAP_MUTE_SHIFT));
err = vt1702_auto_create_analog_input_ctls(spec, &spec->autocfg);
if (err < 0)
return err;