Re: [PATCH v4 3/3] arm64: dts: qcom: msm8916-wiko-chuppito: add initial devicetree

[Stephan Gerhold <stephan.gerhold@linaro.org>]

On Mon, Mar 09, 2026 at 09:48:12PM +0000, Paul Adam wrote:
> On 26/03/09 10:16, Stephan Gerhold wrote:
> > > diff --git a/arch/arm64/boot/dts/qcom/msm8916-wiko-chuppito.dts b/arch/arm64/boot/dts/qcom/msm8916-wiko-chuppito.dts
> > > new file mode 100644
> > > index 000000000000..d927bae2b208
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/qcom/msm8916-wiko-chuppito.dts
> > > @@ -0,0 +1,315 @@
> > > [...]
> > > +&sound {
> > > +	audio-routing = "AMIC1", "MIC BIAS Internal1",
> > > +		"AMIC2", "MIC BIAS Internal2",
> > > +		"AMIC3", "MIC BIAS Internal1";
> > 
> > Sorry, just noticed this now:
> > 
> > This seems a bit suspicious (I would expect "MIC BIAS Internal3"), have
> > you tested if the secondary microphone works?
> > 
> > Thanks,
> > Stephan
> 
> The secondary microphone does not work yet, neither with Internal1
> nor Internal3.
> 
> In the downstream devicetree its Internal1 for AMIC3.
> 
> Is there a way for me to check which one is correct?
> 

To be absolutely sure, only with the schematic diagram of the board...

Another option would be that the secondary microphone simply does not
exist at all (i.e. there is only one microphone). Any idea if it works
on Android?

If in doubt, it would be better to remove the line for AMIC3.

Thanks,
Stephan