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>

1 files changed, 6 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 4d9ffd6f190..e6269898428 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -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;