From 9d71e9dd1fb126c2ced1ce9cad4181ddc0389783 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Gro=C3=9Fe?= <pegro@friiks.de>
Date: Wed, 22 Jan 2020 19:01:06 +0100
Subject: [PATCH] ALSA: hda - Add docking station support for Lenovo Thinkpad
 T420s
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commit ef7d84caa5928b40b1c93a26dbe5a3f12737c6ab upstream.

Lenovo Thinkpad T420s uses the same codec as T420, so apply the
same quirk to enable audio output on a docking station.

Signed-off-by: Peter Große <pegro@friiks.de>
Link: https://lore.kernel.org/r/20200122180106.9351-1-pegro@friiks.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 90aa0f400a57..1e20e85e9b46 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -922,6 +922,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410),
+	SND_PCI_QUIRK(0x17aa, 0x21d2, "Lenovo T420s", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21da, "Lenovo X220", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x21db, "Lenovo X220-tablet", CXT_PINCFG_LENOVO_TP410),
 	SND_PCI_QUIRK(0x17aa, 0x38af, "Lenovo IdeaPad Z560", CXT_FIXUP_MUTE_LED_EAPD),
-- 
2.7.4