The patch is in the mainline kernel now.
commit ae104a21e52b1f9aab342cf6924405177b720069
Author: Kailang Yang <kail...@realtek.com>
Date: Mon Feb 5 16:07:20 2018 +0800
ALSA: hda/realtek - Add headset mode support for Dell laptop
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>
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https://bugs.launchpad.net/bugs/1757584
Title:
Let headset-mode initialization be called on Dell Precision 3930
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