From: Adam Ford Date: Wed, 7 Oct 2020 13:02:37 +0000 (-0500) Subject: arm64: dts: imx8mm-beacon-som: Fix Choppy BT audio X-Git-Tag: v5.9.11~157 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c767be9936689d54a4e16a1d3f2bab4326c579a;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: imx8mm-beacon-som: Fix Choppy BT audio [ Upstream commit 587258edd94c305077923ec458e04c032fca83e6 ] When streaming bluetooth audio, the sound is choppy due to the fact that the default baud rate of the HCI interface is too slow to handle 16-bit stereo at 48KHz. The Bluetooth chip is capable of up to 4M baud on the serial port, so this patch sets the max-speed to 4000000 in order to properly stream audio over the Bluetooth. Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit") Signed-off-by: Adam Ford Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi index 94911b1707ef2..09d757b3e3ce6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi @@ -210,6 +210,7 @@ host-wakeup-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>; device-wakeup-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>; clocks = <&osc_32k>; + max-speed = <4000000>; clock-names = "extclk"; }; };