linux-kernel - Re: [PATCH AUTOSEL for 4.15 043/102] ASoC: tlv320aic31xx: Handle inverted BCLK in non-DSP modes

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Message-ID: <20180305102124.GB8588@sirena.org.uk>
Date:   Mon, 5 Mar 2018 10:21:24 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <Alexander.Levin@...rosoft.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "Andrew F. Davis" <afd@...com>
Subject: Re: [PATCH AUTOSEL for 4.15 043/102] ASoC: tlv320aic31xx: Handle
 inverted BCLK in non-DSP modes

On Sat, Mar 03, 2018 at 10:24:34PM +0000, Sasha Levin wrote:

> Currently BCLK inverting is only handled when the DAI format is
> DSP, but the BCLK may be inverted in any supported mode. Without
> this using this CODEC in any other mode than DSP with the BCLK
> inverted leads to bad sampling timing and very poor audio quality.

This is a new feature, if this makes a difference to anyone in
production it's most likely going to break their system and introduce
the problems described in the commit log.

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