linux-kernel - Re: [PATCH v4 1/2] Partially revert ASoC: qcom: Fix enabling BCLK and LRCLK in LPAIF invalid state

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Message-ID: <471379f0-0ab7-7c18-8c07-bd8a67615b3e@codeaurora.org>
Date:   Thu, 17 Dec 2020 13:48:39 +0530
From:   Srinivasa Rao Mandadapu <srivasam@...eaurora.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
        robh+dt@...nel.org, plai@...eaurora.org, bgoswami@...eaurora.org,
        perex@...ex.cz, tiwai@...e.com, srinivas.kandagatla@...aro.org,
        rohitkr@...eaurora.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        V Sujith Kumar Reddy <vsujithk@...eaurora.org>
Subject: Re: [PATCH v4 1/2] Partially revert ASoC: qcom: Fix enabling BCLK and
 LRCLK in LPAIF invalid state

Thanks Mark for your Time!!!

On 12/14/2020 11:20 PM, Mark Brown wrote:
> On Mon, Dec 14, 2020 at 06:13:22PM +0530, Srinivasa Rao Mandadapu wrote:
>> On 12/1/2020 11:21 PM, Mark Brown wrote:
>>>> Later from review comments by Srinivas kandagatla, I got to know
>>>>
>>>> about regcache sync APIs, which can be used  to sync cache after resume and
>>>>
>>>> HW registers can be updated with  original values. With that playback can be
>>>> continued.
>>>> So is the reason, I am reverting partial changes in the commit b1824968221c.
>>> I don't understand why a fix for the register cache not being in sync
>>> with the hardware doesn't involve syncing the register cache with the
>>> hardware.
>> I am sorry I couldn't understand your point. Could you please elaborate your
>> query?
> Your changelog talks about syncing the cache but neither the driver nor
> your change actually does that.

Okay. Now I posted v6 patch 
(https://lore.kernel.org/patchwork/patch/1354638/)

with subject lines explaining actual changes.

could you please check  the same.

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is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.