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authorHui Wang <hui.wang@canonical.com>2015-11-24 06:08:18 +0300
committerTakashi Iwai <tiwai@suse.de>2015-11-24 09:33:43 +0300
commit8c69729b4439bbda88c3073df7243f755cc418ed (patch)
tree23fb0c741fe4f9a07fce4b0c1a1a709d5b533b81 /sound
parent196543d54574f50e3fd04df4e3048181e006a9da (diff)
downloadlinux-8c69729b4439bbda88c3073df7243f755cc418ed.tar.xz
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_realtek.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 53f6a0261ec9..e4f80dc4704f 100644
--- 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),