Re: [PATCH] ALSA: hda: Force resume if acomp notified during system suspend

[Takashi Iwai]

On Fri, 26 Jun 2026 17:47:22 +0200,
Nícolas F. R. A. Prado wrote:
> 
> Currently if an HDMI cable is connected while the system is suspended,
> the HDMI audio jack status stays off after resume.
> 
> This is due to the jack state not being synced by the HDA HDMI codec
> device's runtime resume, as that never happens if the device was runtime
> suspended before the system suspended, or by the acomp notification
> triggered from the DRM side if that happens before the HDA HDMI codec
> device has resumed.
> 
> To fix this, if snd_hda_hdmi_acomp_pin_eld_notify() gets called before
> the HDA HDMI codec device has resumed, mark it to be forcefully runtime
> resumed at the next PM complete time.
> 
> Do this using a separate acomp_requested_resume flag that can be
> temporarily set without overwriting forced_resume for drivers that
> always want to force resume.
> 
> Assisted-by: Copilot:claude-sonnet-4.6
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>

Applied to for-next branch now.  Thanks.


Takashi