Messages in this thread Patch in this message | | | From | Owen Yang <> | Subject | [PATCH] arm64: dts: qcom: sc7280: Adjust zombie PWM frequency | Date | Thu, 9 Feb 2023 10:28:16 +0800 |
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Tune the PWM to solve screen flashing issue and high frequency noise.
Signed-off-by: Owen Yang <ecs.taipeikernel@gmail.com> ---
arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi index 64deaaabac0f..000f64d27ab9 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi @@ -61,8 +61,8 @@ ap_tp_i2c: &i2c0 { }; &pm8350c_pwm_backlight { - /* Set the PWM period to 200 microseconds (5kHz duty cycle) */ - pwms = <&pm8350c_pwm 3 200000>; + /* Set the PWM period to 320 microseconds (8kHz duty cycle) */ + pwms = <&pm8350c_pwm 3 320000>; }; &pwmleds { -- 2.17.1
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