[alsa-devel] [PATCH v2 3/5] ASoC: core: add support to snd_soc_dai_get_sdw_stream()

[Pierre-Louis Bossart]

On 8/13/19 11:11 PM, Vinod Koul wrote:
> On 13-08-19, 20:58, Mark Brown wrote:
>> On Tue, Aug 13, 2019 at 02:38:53PM -0500, Pierre-Louis Bossart wrote:
>>
>>> Indeed. I don't have a full understanding of that part to be honest, nor why
>>> we need something SoundWire-specific. We already abused the set_tdm_slot API
>>> to store an HDaudio stream, now we have a rather confusing stream
>>> information for SoundWire and I have about 3 other 'stream' contexts in
>>> SOF... I am still doing basic cleanups but this has been on my radar for a
>>> while.
>>
>> There is something to be said for not abusing the TDM slot API if it can
>> make things clearer by using bus-idiomatic mechanisms, but it does mean
>> everything needs to know about each individual bus :/ .
> 
> Here ASoC doesn't need to know about sdw bus. As Srini explained, this
> helps in the case for him to get the stream context and set the stream
> context from the machine driver.
> 
> Nothing else is expected to be done from this API. We already do a set
> using snd_soc_dai_set_sdw_stream(). Here we add the snd_soc_dai_get_sdw_stream() to query

I didn't see a call to snd_soc_dai_set_sdw_stream() in Srini's code?