linux-kernel - Re: [PATCH] ASoC: wm8960: Fix wrong clock after suspend & resume

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Date:   Tue, 21 Apr 2020 13:15:43 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Shengjiu Wang <shengjiu.wang@....com>
CC:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <kstewart@...uxfoundation.org>,
        <allison@...utok.net>, <tglx@...utronix.de>, <info@...ux.net>,
        <ckeepax@...nsource.wolfsonmicro.com>,
        <patches@...nsource.cirrus.com>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ASoC: wm8960: Fix wrong clock after suspend & resume

On Tue, Apr 21, 2020 at 07:28:45PM +0800, Shengjiu Wang wrote:
> After suspend & resume, wm8960_hw_params may be called when
> bias_level is not SND_SOC_BIAS_ON, then wm8960_configure_clocking
> is not called. But if sample rate is changed at that time, then
> the output clock rate will be not correct.
> 
> So judgement of bias_level is SND_SOC_BIAS_ON in wm8960_hw_params
> is not necessary and it causes above issue.
> 
> Fixes: 3176bf2d7ccd ("ASoC: wm8960: update pll and clock setting function")
> Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
> ---

Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>

Thanks,
Charles