ALSA: hda - Fix headphone noise after Dell XPS 13 resume back from S3

We have a machine Dell XPS 13 with the codec alc256, after resume back
from S3, the headphone has noise when play sound.

Through comparing with the coeff vaule before and after S3, we found
restoring a coeff register will help remove noise.

BugLink: https://bugs.launchpad.net/bugs/1519168
Cc: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 53f6a0261ec9abf5cd0e9c8c1c14f3728fdcaddf..e4f80dc4704f1a643bdfa3dd1e10a3c1fbdcb45a 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -4587,6 +4587,7 @@ enum {
        ALC292_FIXUP_DISABLE_AAMIX,
        ALC298_FIXUP_DELL1_MIC_NO_PRESENCE,
        ALC275_FIXUP_DELL_XPS,
+       ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -5167,6 +5168,17 @@ static const struct hda_fixup alc269_fixups[] = {
                        {}
                }
        },
+       [ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE] = {
+               .type = HDA_FIXUP_VERBS,
+               .v.verbs = (const struct hda_verb[]) {
+                       /* Disable pass-through path for FRONT 14h */
+                       {0x20, AC_VERB_SET_COEF_INDEX, 0x36},
+                       {0x20, AC_VERB_SET_PROC_COEF, 0x1737},
+                       {}
+               },
+               .chained = true,
+               .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
+       },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -5206,6 +5218,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
        SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
        SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC292_FIXUP_DISABLE_AAMIX),
+       SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
        SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),