Re: [RFC PATCH 1/6] ASoC: core: add support to snd_soc_dai_get_sdw_stream()

From: Vinod Koul <vkoul@kernel.org>
To: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: broonie@kernel.org, robh+dt@kernel.org,
	devicetree@vger.kernel.org, mark.rutland@arm.com,
	pierre-louis.bossart@linux.intel.com,
	alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/6] ASoC: core: add support to snd_soc_dai_get_sdw_stream()
Date: Mon, 10 Jun 2019 10:04:32 +0530	[thread overview]
Message-ID: <20190610043432.GI9160@vkoul-mobl.Dlink> (raw)
In-Reply-To: <20190607085643.932-2-srinivas.kandagatla@linaro.org>

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?

-- 
~Vinod