[B/C/D/unstable][PATCH 1/1] ALSA: hda/realtek - Fix the mute LED regresion on Lenovo X1 Carbon

Hui Wang hui.wang at canonical.com
Fri Dec 14 05:41:44 UTC 2018

BugLink: https://bugs.launchpad.net/bugs/1808465

Users reported a mute LED regression on Lenovo X1 Carbon, the root
cause is we applied the fixup of ALC285_FIXUP_LENOVO_HEADPHONE_NOISE
to this machine, then the machine can't apply the fixup of
ALC269_FIXUP_THINKPAD_ACPI anymore. To fix it, we chain two fixup

Fixes: c4cfcf6f4297 ("ALSA: hda/realtek - fix the pop noise on headphone for lenovo laptops")
Cc: <stable at vger.kernel.org>
Signed-off-by: Hui Wang <hui.wang at canonical.com>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
(cherry picked from commit 6ba189c5c1a4bda70dc1e4826c58b0246068bb8d)
Signed-off-by: Hui Wang <hui.wang at canonical.com>
 sound/pci/hda/patch_realtek.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c2b2cd7580f2..1aec6e22fadc 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6399,6 +6399,8 @@ static const struct hda_fixup alc269_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = alc285_fixup_invalidate_dacs,
+		.chained = true,
+		.chain_id = ALC269_FIXUP_THINKPAD_ACPI

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