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

From: Ben Hutchings
Date: Tue May 15 2018 - 15:35:35 EST


On Wed, 2018-04-11 at 20:34 +0200, Greg Kroah-Hartman wrote:
> 4.4-stable review patch.ÂÂIf anyone has any objections, please let me know.
>
> ------------------
>
> From: Fabio Estevam <fabio.estevam@xxxxxxx>
>
>
> [ 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@xxxxxxx>
Date:ÂÂÂWed Apr 5 11:32:34 2017 -0300

ÂÂÂÂASoC: sgtl5000: Allow LRCLK pad drive strength to be changed

Ben.

--
Ben Hutchings
Software Developer, Codethink Ltd.