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

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Date:   Tue, 13 Aug 2019 20:58:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        vkoul@...nel.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 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 :/ .

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