Re: [PATCH] ALSA: opti9xx: restore snd-miro state after resume

["Cássio Gabriel Monteiro Pires" <cassiogabrielcontato@gmail.com>]

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On 4/14/26 04:07, Takashi Iwai wrote:
> On Mon, 13 Apr 2026 21:45:34 +0200,
> Cássio Gabriel wrote:
>>
>> snd-miro has no PM callbacks, so system resume leaves the OPTi
>> master-control registers and the board-specific ACI mixer state
>> unrestored.
>>
>> Like snd-opti9xx, the driver needs to reprogram the OPTi routing
>> registers before bringing the codec back. snd-miro also keeps mixer
>> state in the ACI block, so the codec resume callback alone is not
>> enough here. Save the ACI mixer state on suspend, reinitialize the
>> OPTi and ACI state on resume, replay the saved ACI values, and then
>> resume the WSS codec. Hook the PM handlers into both the ISA and PnP
>> paths.
>>
>> Also initialize miro->card on the ISA path for the existing dev_*()
>> logging and keep the cached solo-mode value aligned with the value
>> written to hardware.
>>
>> PCM20 radio tuner state remains outside this driver's PM scope.
>>
>> Signed-off-by: Cássio Gabriel <cassiogabrielcontato@gmail.com>
> 
> As it's no trivial change and we are already in the merge window, I'd
> postpone this for 7.2.  Or, if this is the very last piece of your
> whole changes, I can try to put.  Let me know.

This is not my last ALSA outstanding piece but this is not urgent either,
so postponing it to 7.2 is fine with me.
Please defer it to the next cycle if its proper to you.

-- 
Thanks,
Cássio

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