linux-kernel - Re: [PATCH v3 3/5] ASoC: qcom: Add support for lpass hdmi driver

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Message-ID: <b18ed556-09f5-1d2a-b8fc-56a52429addc@linaro.org>
Date:   Fri, 4 Sep 2020 12:24:00 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Srinivasa Rao Mandadapu <srivasam@...eaurora.org>,
        agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        broonie@...nel.org, robh+dt@...nel.org, plai@...eaurora.org,
        bgoswami@...eaurora.org, perex@...ex.cz, tiwai@...e.com,
        rohitkr@...eaurora.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     V Sujith Kumar Reddy <vsujithk@...eaurora.org>
Subject: Re: [PATCH v3 3/5] ASoC: qcom: Add support for lpass hdmi driver



On 04/09/2020 12:21, Srinivasa Rao Mandadapu wrote:
>>
>> Before going into detail review, I see real issue in the overall 
>> approach here to add new interface to exiting lpass!!
>>
>> Intention of struct lpass_variant is to address differences between 
>> SoCs or different lpass versions. But you should not duplicate this 
>> and use it for addressing differences between each lpass interfaces!
>> All the dai related register offsets should still go in to this 
>> structure and driver should be able to know which dai its talking to 
>> based on snd_soc_dai_driver id and select correct register offset.
>>
> Do You suggest to use separate structure like struct 
> lpass_hdmi_interface in lpass_data?

No, you should just put every thing lpass_variant as you did but no "id" 
thing in that.

--srini