ALSA: hda - Fix loopback noise on Dell XPS 15
authorTakashi Iwai <tiwai@suse.de>
Tue, 22 Jul 2014 15:33:32 +0000 (17:33 +0200)
committerTakashi Iwai <tiwai@suse.de>
Tue, 22 Jul 2014 15:33:32 +0000 (17:33 +0200)
Dell XPS 15 (1028:05fe) gives the bad feedback noise from analog
loopback line even if the channels are muted.  The similar problem has
been seen on XPS 13, and it was fixed by simply disabling loopback.
The same fixup was confirmed to be applicable and fix the problem on
XPS 15, too.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80821
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_realtek.c

index 86a8186b766106d2b823dc1fe79a2e0446bcb09d..2f755adfbe7c89f1d4be321344db3be308819234 100644 (file)
@@ -6004,6 +6004,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE),
        SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
+       SND_PCI_QUIRK(0x1028, 0x05fe, "Dell XPS 15", ALC668_FIXUP_DELL_XPS13),
        SND_PCI_QUIRK(0x1028, 0x060a, "Dell XPS 13", ALC668_FIXUP_DELL_XPS13),
        SND_PCI_QUIRK(0x1028, 0x0625, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x0626, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),