linux-kernel - Re: [PATCH v3 22/28] ASoC: qcom: qdsp6: q6afe: Split USB AFE dev

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Message-ID: <b27911c3-0da4-e7e8-3b0a-3788a3998bd3@quicinc.com>
Date:   Thu, 9 Mar 2023 11:39:06 -0800
From:   Wesley Cheng <quic_wcheng@...cinc.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        <mathias.nyman@...el.com>, <perex@...ex.cz>, <broonie@...nel.org>,
        <lgirdwood@...il.com>, <krzysztof.kozlowski+dt@...aro.org>,
        <agross@...nel.org>, <Thinh.Nguyen@...opsys.com>,
        <bgoswami@...cinc.com>, <andersson@...nel.org>,
        <robh+dt@...nel.org>, <gregkh@...uxfoundation.org>,
        <tiwai@...e.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-usb@...r.kernel.org>, <quic_jackp@...cinc.com>,
        <quic_plai@...cinc.com>
Subject: Re: [PATCH v3 22/28] ASoC: qcom: qdsp6: q6afe: Split USB AFE
 dev_token param into separate API

Hi Srinivas,

On 3/9/2023 1:01 AM, Srinivas Kandagatla wrote:
> 
> 
> On 08/03/2023 23:57, Wesley Cheng wrote:
>> The Q6USB backend can carry information about the available USB SND cards
>> and PCM devices discovered on the USB bus.  The dev_token field is 
>> used by
>> the audio DSP to notify the USB offload driver of which card and PCM 
>> index
>> to enable playback on.  Separate this into a dedicated API, so the USB
>> backend can set the dev_token accordingly.  The audio DSP does not 
>> utilize
>> this information until the AFE port start command is sent, which is done
>> during the PCM prepare phase.
>>
>> Signed-off-by: Wesley Cheng <quic_wcheng@...cinc.com>
>> ---
>>   sound/soc/qcom/qdsp6/q6afe.c | 49 +++++++++++++++++++++++++-----------
>>   sound/soc/qcom/qdsp6/q6afe.h |  1 +
>>   2 files changed, 36 insertions(+), 14 deletions(-)
>>
> Looks like this could be part of [06/28] ASoC: qcom: qdsp6: Introduce 
> USB AFE port to q6dsp
> 
> you are modifying the 06/28 patch in this patch.
> 
> other than that it looks fine to me.
> 

Sure I'll squash the two.

Thanks
Wesley Cheng