[PATCH AUTOSEL for 4.4 036/167] ARM: dts: imx6qdl-wandboard: Fix audio channel swap

Sasha Levin
2018-03-19T17:28:22Z

From: Fabio Estevam <fabio.estevam@nxp.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.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
arch/arm/boot/dts/imx6qdl-wandboard.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
index 9e096d811bed..7a032dd84bb2 100644
--- a/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-wandboard.dtsi
@@ -88,6 +88,7 @@
clocks = <&clks 201>;
VDDA-supply = <&reg_2p5v>;
VDDIO-supply = <&reg_3p3v>;
+ lrclk-strength = <3>;
};
};

--
2.14.1