linux-kernel - Re: [PATCH v10 01/15] ASoC: sun4i-i2s: Fix lrck_period computation for I2S justified mode

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Date:   Fri, 30 Oct 2020 17:11:31 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Chen-Yu Tsai <wens@...e.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>,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [PATCH v10 01/15] ASoC: sun4i-i2s: Fix lrck_period computation
 for I2S justified mode

On Fri, Oct 30, 2020 at 03:46:34PM +0100, Clément Péron wrote:
> Left and Right justified mode are computed using the same formula
> as DSP_A and DSP_B mode.
> Which is wrong and the user manual explicitly says:
> 
> LRCK_PERDIOD:
> PCM Mode: Number of BCLKs within (Left + Right) channel width.
> I2S/Left-Justified/Right-Justified Mode: Number of BCLKs within each
> individual channel width(Left or Right)
> 
> Fix this by using the same formula as the I2S mode.
> 
> Fixes: 7ae7834ec446 ("ASoC: sun4i-i2s: Add support for DSP formats")
> Signed-off-by: Clément Péron <peron.clem@...il.com>

Acked-by: Maxime Ripard <mripard@...nel.org>
Thanks!
Maxime

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