linux-kernel - Re: [PATCH 4.4 035/190] ARM: dts: imx6qdl-wandboard: Fix audio channel swap

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Date:   Thu, 17 May 2018 11:41:50 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Ben Hutchings <ben.hutchings@...ethink.co.uk>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Fabio Estevam <fabio.estevam@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: Re: [PATCH 4.4 035/190] ARM: dts: imx6qdl-wandboard: Fix audio
 channel swap

On Tue, May 15, 2018 at 08:35:24PM +0100, Ben Hutchings wrote:
> On Wed, 2018-04-11 at 20:34 +0200, Greg Kroah-Hartman wrote:
> > 4.4-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Fabio Estevam <fabio.estevam@....com>
> > 
> > 
> > [ Upstream commit 79935915300c5eb88a0e94fa9148a7505c14a02a ]
> > 
> > When running a stress playback/stop loop test on a mx6wandboard channel
> > swaps can be noticed randomly.
> > 
> > Increasing the SGTL5000 LRCLK pad strength to its maximum value fixes
> > the issue, so add the 'lrclk-strength' property to avoid the audio
> > channel swaps.
> [...]
> 
> This depends on:
> 
> commit 570c70a60f53ca737ead4e5966c446bf0d39fac9
> Author: Fabio Estevam <fabio.estevam@....com>
> Date:   Wed Apr 5 11:32:34 2017 -0300
> 
>     ASoC: sgtl5000: Allow LRCLK pad drive strength to be changed

Ah, I'll go revert this now, thanks.

greg k-h