From: Lydia Wang lydiawang@viatech.com.cn Subject: 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
--- pci/hda/patch_via.c | 6 ++++++ 1 file changed, 6 insertions(+)
--- a/pci/hda/patch_via.c +++ b/pci/hda/patch_via.c @@ -3165,6 +3165,12 @@ 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;