linux-kernel - Re: [alsa-devel] [RFC] ASoC: soc-pcm: crash in snd_soc_dapm_new

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Date:   Mon, 17 Feb 2020 15:43:01 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Stephan Gerhold <stephan@...hold.net>
Cc:     Sameer Pujar <spujar@...dia.com>, tiwai@...e.com, perex@...ex.cz,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] [RFC] ASoC: soc-pcm: crash in snd_soc_dapm_new_dai

On Mon, Feb 17, 2020 at 03:41:20PM +0100, Stephan Gerhold wrote:

> I'm a bit confused about this patch, isn't SNDRV_PCM_STREAM_PLAYBACK
> used for both cpu_dai and codec_dai in the playback case?

It is in the normal case, but with a CODEC<->CODEC link (which was what
this was targeting) we need to bodge things by swapping playback and
capture on one end of the link.

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