[alsa-devel] [PATCH] ASoC: simple-card: don't select DPCM via simple-audio-card

Kuninori Morimoto kuninori.morimoto.gx at renesas.com
Thu Apr 4 02:20:36 CEST 2019


Hi Mark

> From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> 
> commit da215354eb55c ("ASoC: simple-card: merge simple-scu-card")
> merged simple-scu-audio-card which can handle DPCM into
> simple-audio-card.
> 
> By this patch, the judgement to select "normal sound card" or
> "DPCM sound card" is based on its CPU/Codec DAI count.
> But, because of it, existing "simple-audio-card" user who is
> assuming "normal sound card" might select DPCM unintentionally.
> 
> To solve this issue, this patch allows "simple-audio-card" user
> can select "normal sound card", and "simple-scu-audio-card" user
> can select both "normal sound card" and "DPCM sound card".
> This keeps compatibility collectry.
> 
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> ---

This patch is for v5.1, too



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