From: Xing Zheng Date: Fri, 29 Jan 2016 08:49:21 +0000 (+0800) Subject: ARM: dts: rockchip: increase the mclk_fs to 512 for kylin board X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f6bb9d5f30d6986c4fdce1ed5a36088a0c30c544;p=linux-beck.git ARM: dts: rockchip: increase the mclk_fs to 512 for kylin board If we playback the 8KHz FS audio with the 256 mclk_fs, we need the mclk = 256 * 8000 = 2.048MHz, the frac div is 594 / 2.048 = 290, the frac div value 0x00809015 set to the CRU_CLKSEL7_CON will cause to hang. We increase the mclk_fs to 512, will get the mclk = 512 * 8000 = 4.096MHz, use 0x01009015 instead of 0x00809015 to work around this issue. We will keep tracking it. Signed-off-by: Xing Zheng Signed-off-by: Heiko Stuebner --- diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts index b754613b9a9a..d5913fe128ee 100644 --- a/arch/arm/boot/dts/rk3036-kylin.dts +++ b/arch/arm/boot/dts/rk3036-kylin.dts @@ -78,7 +78,7 @@ compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; simple-audio-card,name = "rockchip,rt5616-codec"; - simple-audio-card,mclk-fs = <256>; + simple-audio-card,mclk-fs = <512>; simple-audio-card,widgets = "Microphone", "Microphone Jack", "Headphone", "Headphone Jack";