linux-kernel - Re: [PATCH v2 1/6] ASoC: sun4i-i2s: Add slot width override

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Message-ID: <20180312182030.GN2186@sirena.org.uk>
Date:   Mon, 12 Mar 2018 11:20:30 -0700
From:   Mark Brown <broonie@...nel.org>
To:     codekipper@...il.com
Cc:     maxime.ripard@...e-electrons.com, wens@...e.org,
        linux-sunxi@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        lgirdwood@...il.com, linux-kernel@...r.kernel.org,
        alsa-devel@...a-project.org, be17068@...rbole.bo.it
Subject: Re: [PATCH v2 1/6] ASoC: sun4i-i2s: Add slot width override

On Mon, Mar 12, 2018 at 04:57:48PM +0100, codekipper@...il.com wrote:

> Some codecs require a different amount of a bit clocks per frame
> than what is calculated by using the sample width. Use a slot
> width override property to provide this mechanism.

If this is a CODEC requirement we should really be working this out from
the CODEC rather than adding a DT property on the I2S controller, or at
the very least putting this in the machine drivers.  The generic drivers
already have support for mclk-fs and there's an operation set_bclk_ratio() 
for them to use though we don't have a DT binding for that yet.

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