Re: [PATCH 2/3] ASoC: codec: wcd938x: Convert to GPIO descriptors

[Johan Hovold <johan@kernel.org>]

On Mon, Mar 24, 2025 at 08:46:07AM +0100, Linus Walleij wrote:
> On Mon, Mar 24, 2025 at 8:33 AM Peng Fan <peng.fan@nxp.com> wrote:
> 
> > > With this patchset applied, the wcd938x codec used in the Thinkpad
> > > X13s stops working:
> > >
> > > wcd938x_codec audio-codec: soundwire device init timeout
> > > wcd938x_codec audio-codec: ASoC: error at
> > > snd_soc_component_probe on
> > > audio-codec: -110
> > > snd-sc8280xp sound: ASoC: failed to instantiate card -110 snd-
> > > sc8280xp sound: probe with driver snd-sc8280xp failed with error -110
> >
> > Thanks for help testing. But per current in-tree DTS, the reset is using
> > GPIO_ACTIVE_LOW, so it should work.
> >
> > I am not sure whether you are using firmware published DTS,
> > if yes, could you please help check the codec node to dump
> > the reset-gpios property under /sys/firmware/devicetree/xx ?
> 
> I'm also a bit puzzled.
> 
> I think maybe this device has some DTB that comes from the vendor
> with the wrong polarity :/
> 
> If this is the case we need to add a quirk to gpiolib to force this
> GPIO into active low,  something like this:

I'm quite sure Steev is using the mainline devicetree with correct
polarity so that should not be the issue here.

Johan