linux-kernel - Re: [PATCH] ASoC: qcom: lpass-cpu: mark HDMI TX registers as volatile

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Date:   Wed, 12 Oct 2022 13:23:57 -0500
From:   Stephen Boyd <swboyd@...omium.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        agross@...nel.org, alsa-devel@...a-project.org,
        andersson@...nel.org, bgoswami@...cinc.com, broonie@...nel.org,
        devicetree@...r.kernel.org, judyhsiao@...omium.org,
        lgirdwood@...il.com, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, perex@...ex.cz,
        quic_plai@...cinc.com, quic_rohkumar@...cinc.com,
        robh+dt@...nel.org, srinivas.kandagatla@...aro.org, tiwai@...e.com
Cc:     Srinivasa Rao Mandadapu 
        <srivasam@...lcomm.corp-partner.google.com>
Subject: Re: [PATCH] ASoC: qcom: lpass-cpu: mark HDMI TX registers as volatile

Quoting Srinivasa Rao Mandadapu (2022-10-12 03:12:40)
> From: Srinivasa Rao Mandadapu <srivasam@...lcomm.corp-partner.google.com>
>
> Update HDMI volatile registers list as DMA, Channel Selection registers
> , vbit control registers are being reflected by hardware DP port

No idea why a comma starts this line.

> disconnection.

Add a newline here?

> This update is required to fix no display and no sound issue
> observed after reconnecting TAMA/SANWA DP cables.
> Once DP cable is unplugged, DMA control registers are being reset by
> hardware, however at second plugin, new dma control values does not
> updated to the dma hardware registers since new register value and
> cached values at the time of first plugin are same.
>

Any Fixes tag?

> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@...lcomm.corp-partner.google.com>

Why not simply the quicinc email?