linux-kernel - Re: [alsa-devel] [PATCH v2 3/5] ASoC: core: add support to snd_soc_dai_get_sdw

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Date:   Wed, 14 Aug 2019 10:08:56 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        bgoswami@...eaurora.org, plai@...eaurora.org, lgirdwood@...il.com,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        spapothi@...eaurora.org
Subject: Re: [alsa-devel] [PATCH v2 3/5] ASoC: core: add support to
 snd_soc_dai_get_sdw_stream()

On Wed, Aug 14, 2019 at 09:41:42AM +0530, Vinod Koul wrote:
> On 13-08-19, 20:58, Mark Brown wrote:

> > 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.

Other drivers interoperating with the Soundwire DAI might want to do
something, it looks like that's the case for SOF.

> 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

Well, if the API is not expected to do anything we can optimize it and
just remove it!

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