4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kailang Yang <kail...@realtek.com>

commit ae104a21e52b1f9aab342cf6924405177b720069 upstream.

This platform was only one phone Jack.
Add dummy lineout verb to fix automute mode disable.
This just the workaround.

[ More background information:
  since the platform has only a headphone jack without speaker, the
  driver doesn't create the auto-mute control.  Meanwhile we do update
  the headset mode via the automute hook in the driver, thus with this
  setup, the headset won't be updated any longer.

  By adding a dummy line-out pin here, the auto-mute is added by the
  driver, and the headset update is triggered properly.

  Note that this is different from the other
  ALC274_FIXUP_DELL_AIO_LINEOUT_VERB, which has the real line-out pin,
  while this quirk adds a dummy line-out pin.  -- tiwai ]

Signed-off-by: Kailang Yang <kail...@realtek.com>
Cc: <sta...@vger.kernel.org>
Signed-off-by: Takashi Iwai <ti...@suse.de>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 sound/pci/hda/patch_realtek.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5340,6 +5340,7 @@ enum {
        ALC274_FIXUP_DELL_BIND_DACS,
        ALC274_FIXUP_DELL_AIO_LINEOUT_VERB,
        ALC298_FIXUP_TPT470_DOCK,
+       ALC255_FIXUP_DUMMY_LINEOUT_VERB,
 };
 
 static const struct hda_fixup alc269_fixups[] = {
@@ -6187,6 +6188,15 @@ static const struct hda_fixup alc269_fix
                .chained = true,
                .chain_id = ALC293_FIXUP_LENOVO_SPK_NOISE
        },
+       [ALC255_FIXUP_DUMMY_LINEOUT_VERB] = {
+               .type = HDA_FIXUP_PINS,
+               .v.pins = (const struct hda_pintbl[]) {
+                       { 0x14, 0x0201101f },
+                       { }
+               },
+               .chained = true,
+               .chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
+       },
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -6240,6 +6250,7 @@ static const struct snd_pci_quirk alc269
        SND_PCI_QUIRK(0x1028, 0x082a, "Dell XPS 13 9360", 
ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
        SND_PCI_QUIRK(0x1028, 0x084b, "Dell", 
ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
        SND_PCI_QUIRK(0x1028, 0x084e, "Dell", 
ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
+       SND_PCI_QUIRK(0x1028, 0x0873, "Dell Precision 3930", 
ALC255_FIXUP_DUMMY_LINEOUT_VERB),
        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),


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