[PATCH v1 0/5] Support System Suspend and Resume for CS35L41 HDA

Takashi Iwai tiwai at suse.de
Wed Oct 12 08:12:00 CEST 2022


On Tue, 11 Oct 2022 16:35:47 +0200,
Stefan Binding wrote:
> 
> The CS35L41 HDA driver currently only supports runtime suspend and resume.
> Add support for system suspend and resume into the CS35L41 HDA driver.
> The driver will put the parts into a state where they can be powered down
> during suspend, and on system resume, it will restore the part.
> If firmware was previously loaded, during system suspend, the firmware will
> be unloaded, and during system resume, it will be loaded again.
> 
> Note: System suspend is only supported for models which use Internal Boost,
> or models which use External Boost with a Boost Enable GPIO.
> 
> The chain also contains minor bug fixes for the CS35L41 HDA driver, and
> associated hda_cs_dsp_ctl driver.
> 
> Richard Fitzgerald (1):
>   ALSA: hda/cs_dsp_ctl: Fix mutex inversion when creating controls
> 
> Stefan Binding (4):
>   ALSA: hda: hda_cs_dsp_ctl: Minor clean and redundant code removal
>   ALSA: hda: hda_cs_dsp_ctl: Ensure pwr_lock is held before
>     reading/writing controls
>   ALSA: hda: cs35l41: Remove suspend/resume hda hooks
>   ALSA: hda: cs35l41: Support System Suspend

Applied all five patches now.


thanks,

Takashi


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