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SubjectRe: [PATCH v2 3/5] ASoC: core: add support to snd_soc_dai_get_sdw_stream()
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On 2019-08-13 10:35, Srinivas Kandagatla wrote:
> On platforms which have smart speaker amplifiers connected via
> soundwire and modeled as aux devices in ASoC, in such usecases machine
> driver should be able to get sdw master stream from dai so that it can
> use the runtime stream to setup slave streams.
>
> soundwire already as a set function, get function would provide more
> flexibility to above configurations.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
> include/sound/soc-dai.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
> index dc48fe081a20..1e01f4a302e0 100644
> --- a/include/sound/soc-dai.h
> +++ b/include/sound/soc-dai.h
> @@ -202,6 +202,7 @@ struct snd_soc_dai_ops {
>
> int (*set_sdw_stream)(struct snd_soc_dai *dai,
> void *stream, int direction);
> + void *(*get_sdw_stream)(struct snd_soc_dai *dai, int direction);
> /*
> * DAI digital mute - optional.
> * Called by soc-core to minimise any pops.
> @@ -410,4 +411,13 @@ static inline int snd_soc_dai_set_sdw_stream(struct snd_soc_dai *dai,
> return -ENOTSUPP;
> }
>
> +static inline void *snd_soc_dai_get_sdw_stream(struct snd_soc_dai *dai,
> + int direction)
> +{
> + if (dai->driver->ops->get_sdw_stream)
> + return dai->driver->ops->get_sdw_stream(dai, direction);
> + else
> + return ERR_PTR(-ENOTSUPP);
> +}

Drop redundant else.

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