[PATCH] arm64: dts: qcom: sc7280: Adjust zombie PWM frequency

Owen Yang
2023-02-09T02:28:32Z

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