[PATCH] ALSA: hda: Add Lenovo ThinkStation P340 to power_save_denylist

[Ujfalusi, Peter]

On 5/25/2021 11:23 AM, Takashi Iwai wrote:
>>> Let's check other possibilities
>>> at first, e.g. setting auto_mute_via_amp flag.  This can be achieved
>>> even via hints in an early patching specified via "patch" option of
>>> snd-hda-intel module (see Documentation/sound/hda/notes.rst for some
>>> information).
>>
>> Unfortunately the auto_mute_via_amp has no effect on the pop.
>> line_in_auto_switch and pin_amp_workaround have no effect either.
> 
> How about applying alc_fixup_no_shutup() or alc_fixup_disable_aamix()?

it looks like

SND_PCI_QUIRK(0x17aa, 0x1048, "Lenovo ThinkStation P340",
ALC269_FIXUP_NO_SHUTUP),

in alc269_fixup_tbl[]

alone fixes the pop noise, I'll send a new patch to do this instead.

Thanks,
Péter