Re: [PATCH] ALSA: hda: cs35l56: Enable low-power hibernation mode on SPI

[Richard Fitzgerald]

On 21/11/23 20:36, Takashi Iwai wrote:
> On Tue, 21 Nov 2023 16:44:19 +0100,
> Richard Fitzgerald wrote:
> > SPI hibernation is now supported with the latest hibernation/wake
> > sequences in the shared ASoC code.
> >
> > This has a functional dependency on two commits:
> >
> > commit 3df761bdbc8b ("ASoC: cs35l56: Wake transactions need to be issued
> > twice")
> >
> > commit a47cf4dac7dc ("ASoC: cs35l56: Change hibernate sequence to use
> > allow auto hibernate")
> >
> > To protect against this, enabling hibernation is conditional on
> > CS35L56_WAKE_HOLD_TIME_US being defined, which indicates that the new
> > hibernation sequences are available.
> >
> > Signed-off-by: Richard Fitzgerald <rf@xxxxxxxxxxxxxxxxxxxxx>
>
> Is this expected to be merged for 6.7?  Or it can be post 6.7?
> I guess the former, but just to make sure.

It would be good to get it into 6.7 because it reduces the power
consumption in runtime-suspend and suspend-to-RAM. But it's not
critical (it's not a bugfix).

> thanks,
>
> Takashi