linux-kernel - Re: [PATCH v2 3/8] ASoC: qdsp6: q6afe-dai: add support to pcm port dais

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Date:   Mon, 10 Feb 2020 17:40:59 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Adam Serbinski <adam@...binski.com>
Cc:     Mark Brown <broonie@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/8] ASoC: qdsp6: q6afe-dai: add support to pcm port
 dais



On 10/02/2020 17:22, Adam Serbinski wrote:
>>>
>>
>> Why are we adding exactly duplicate function of q6afe_mi2s_set_sysclk 
>> here?
> 
> It isn't an exact duplicate.
> 
> The reason I split off the new function is because the clock IDs for PCM
> overlap/duplicate the clock IDs for TDM, yet the parameters to
> q6afe_port_set_sysclk are not the same for PCM and TDM.
> 
we should be able to use dai->id to make that decision.

--srini




> 
>>>   +    SND_SOC_DAPM_AIF_IN("QUAT_PCM_RX", NULL,
>>> +                0, 0, 0, 0),