ALSA: hda - Apply +5dB output amp on ASUS Zenbook UX31A

ASUS Zenbook UX31A has yet another problem -- softer output level than
others.  According to the measurement, the peak output difference
between 31A and 31E is 5dB.  As ALC269VB has a COEF for the class-D
pre-amp, let's apply it for +5dB.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 13 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f9b22fb6dd0b..c435ae0a19a6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3833,6 +3833,7 @@ enum {
         ALC269_FIXUP_ACER_AC700,
         ALC269_FIXUP_LIMIT_INT_MIC_BOOST,
         ALC269VB_FIXUP_ASUS_ZENBOOK,
+        ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A,
         ALC269_FIXUP_LIMIT_INT_MIC_BOOST_MUTE_LED,
         ALC269VB_FIXUP_ORDISSIMO_EVE2,
         ALC283_FIXUP_CHROME_BOOK,
@@ -4126,6 +4127,17 @@ static const struct hda_fixup alc269_fixups[] = {
                 .chained = true,
                 .chain_id = ALC269VB_FIXUP_DMIC,
         },
+        [ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A] = {
+                .type = HDA_FIXUP_VERBS,
+                .v.verbs = (const struct hda_verb[]) {
+                        /* class-D output amp +5dB */
+                        { 0x20, AC_VERB_SET_COEF_INDEX, 0x12 },
+                        { 0x20, AC_VERB_SET_PROC_COEF, 0x2800 },
+                        {}
+                },
+                .chained = true,
+                .chain_id = ALC269VB_FIXUP_ASUS_ZENBOOK,
+        },
         [ALC269_FIXUP_LIMIT_INT_MIC_BOOST_MUTE_LED] = {
                 .type = HDA_FIXUP_FUNC,
                 .v.func = alc269_fixup_limit_int_mic_boost,
@@ -4282,7 +4294,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
         SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
         SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
         SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_ASUS_ZENBOOK),
-        SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK),
+        SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A),
         SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC),
         SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
         SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),