Re: [PATCH v3 1/5] ASoC: codecs: wsa883x: fix PA volume control

[Johan Hovold <johan@xxxxxxxxxx>]

On Thu, Jan 18, 2024 at 05:24:16PM +0000, Mark Brown wrote:
> On Thu, Jan 18, 2024 at 05:58:07PM +0100, Johan Hovold wrote:
> > The PA gain can be set in steps of 1.5 dB from -3 dB to 18 dB, that is,
> > in fifteen levels.
> > 
> > Fix the range of the PA volume control to avoid having the first
> > sixteen levels all map to -3 dB.
> > 
> > Note that level 0 (-3 dB) does not mute the PA so the mute flag should
> > also not be set.
> > 
> > Fixes: cdb09e623143 ("ASoC: codecs: wsa883x: add control, dapm widgets and map")
> > Cc: stable@xxxxxxxxxxxxxxx      # 6.0
> 
> This will mean that any configuration saved with alsactl store will
> change effect, it might be better to just fix the TLV description and
> live with the unfortunate UX...

Indeed, but the machine limit set by this series will make that less of
any issue. At least for mainline, all users of this codec use the same
machine driver so will also be limited to -3 dB.

Johan

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