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SubjectRe: [RFC PATCH 1/6] ASoC: core: add support to snd_soc_dai_get_sdw_stream()
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On 10/06/2019 05:34, Vinod Koul wrote:
> On 07-06-19, 09:56, 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 f5d70041108f..9f90b936fd9a 100644
>> --- a/include/sound/soc-dai.h
>> +++ b/include/sound/soc-dai.h
>> @@ -177,6 +177,7 @@ 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);
>
> So who would be calling this API? Machine or someone else?

From Machine driver in my case where smart speaker amplifiers are
modeled as aux device which is also dai less.

--srini
>

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