Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Mon, 10 Jun 2019 10:04:32 +0530
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()
Message-ID: <20190610043432.GI9160@vkoul-mobl.Dlink>
References: <20190607085643.932-1-srinivas.kandagatla@linaro.org>
 <20190607085643.932-2-srinivas.kandagatla@linaro.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20190607085643.932-2-srinivas.kandagatla@linaro.org>
User-Agent: Mutt/1.11.3 (2019-02-01)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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