[alsa-devel] [PATCH v3 08/13] ASoC: Add SoundWire stream programming interface

[Mark Brown]

On Mon, Apr 16, 2018 at 08:53:36PM +0530, Vinod Koul wrote:

> +/**
> + * snd_soc_dai_set_sdw_stream() - Configures a DAI for SDW stream operation
> + * @dai: DAI
> + * @stream: STREAM
> + * @direction: Stream direction(Playback/Capture)
> + * SoundWire subsystem doesn't have a notion of direction and we reuse
> + * the ASoC stream direction to configure source/sink ports.
> + *
> + * Returns 0 on success, a negative error code otherwise.
> + */
> +static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
> +				void *stream, int direction)
> +{

How do we clear the stream that's been set up?  I'd expect that to be a
useful thing to do from a housekeeping point of view if nothing else.
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