linux-kernel - Re: [PATCH] ASoC: amd :High hw_level while simultaneous capture

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Date:   Tue, 5 May 2020 12:51:07 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Akshu Agrawal <akshu.agrawal@....com>
Cc:     Ravulapati Vishnu vardhan rao 
        <Vishnuvardhanrao.Ravulapati@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Vijendar Mukunda <Vijendar.Mukunda@....com>,
        Colin Ian King <colin.king@...onical.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: amd :High hw_level while simultaneous capture

On Tue, May 05, 2020 at 05:10:20PM +0530, Akshu Agrawal wrote:

> Simultaneous capture on dmic and headset mic is having
> issue with high hw_level being reported.

> Issue Can be reproduced by:
> arecord -D hw:2,0 -f dat -d 60 /tmp/test0 &
> arecord -D hw:2,2 -f dat -d 60 /tmp/test1 &
> cat /proc/asound/card2/pcm?c/sub0/status

What is a "high hw_level" and how does this patch address it?  As far as
I can see this patch reorders some of the initialzation but it's not
entirely obvious what the issue was or how this fixes it.

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