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ALSA: hda/realtek: Add alc256-samsung-headphone fixup

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This fixes the near-silence of the headphone jack on the ALC256-based
Samsung Galaxy Book Flex Alpha (NP730QCJ). The magic verbs were found
through trial and error, using known ALC298 hacks as inspiration. The
fixup is auto-enabled only when the NP730QCJ is detected. It can be
manually enabled using model=alc256-samsung-headphone.

Signed-off-by: Matt Kramer <mccleetus@gmail.com>
Link: https://lore.kernel.org/r/3168355.aeNJFYEL58@linus
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Matt Kramer 2022-03-22 13:48:17 -07:00 • committed by Takashi Iwai
parent 17aaf01933
commit ef248d9bd6
2 changed files with 15 additions and 0 deletions
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4
Documentation/sound/hd-audio/models.rst
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@ -261,6 +261,10 @@ alc-sense-combo
huawei-mbx-stereo
Enable initialization verbs for Huawei MBX stereo speakers;
might be risky, try this at your own risk
alc298-samsung-headphone
Samsung laptops with ALC298
alc256-samsung-headphone
Samsung laptops with ALC256
ALC66x/67x/892
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