[PATCH 1/2] ASoC: q6afe-dai: add dummy register read function

[Mark Brown]

On Tue, Aug 11, 2020 at 01:04:09PM +0200, Stephan Gerhold wrote:

> Actually q6afe-dai does not seem to make use of the register number.
> The DAPM widgets all look like

>   SND_SOC_DAPM_AIF_IN("HDMI_RX",  NULL,   0,    0,     0,      0),
>                   /* (wname,    stname, wchan, wreg, wshift, winvert)

> Wouldn't it be better to replace wreg = 0 with SND_SOC_NOPM in this case
> so the read/write won't happen at all?

Yes, if they are not used at all then that's what _NOPM is for.
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