linux-kernel - Re: [linux-sunxi] [PATCH v5 08/20] ASoC: sun4i-i2s: Fix setting of FIFO modes

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Message-ID: <CAGb2v64AZ2UO42fWU49m33-mx-CzEc1wLvRprb==FSf2XmcPWw@mail.gmail.com>
Date:   Mon, 28 Sep 2020 14:51:00 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Maxime Ripard <mripard@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Marcus Cooper <codekipper@...il.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Samuel Holland <samuel@...lland.org>
Subject: Re: [linux-sunxi] [PATCH v5 08/20] ASoC: sun4i-i2s: Fix setting of
 FIFO modes

On Mon, Sep 28, 2020 at 3:29 AM Clément Péron <peron.clem@...il.com> wrote:
>
> From: Samuel Holland <samuel@...lland.org>
>
> Because SUN4I_I2S_FIFO_CTRL_REG is volatile, writes done while the
> regmap is cache-only are ignored. To work around this, move the
> configuration to a callback that runs while the ASoC core has a
> runtime PM reference to the device.
>
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> Signed-off-by: Clément Péron <peron.clem@...il.com>

Reviewed-by: Chen-Yu Tsai <wens@...e.org>