| Message ID | 20230213105803.v2.1.I610cef0ead2d5df1f7bd18bc0e0ae040b03725d0@changeid |
|---|---|
| State | Accepted |
| Commit | f15c1b1bd3c2b3a688d1139593be6c620bb9af6f |
| Headers | show |
| Series | [v2] arm64: dts: qcom: sc7280: Adjust zombie PWM frequency | expand |
diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi index 64deaaabac0f..a4fde22e3355 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 (3.125kHz frequency) */ + pwms = <&pm8350c_pwm 3 320000>; }; &pwmleds {
Tune the PWM to solve screen flashing issue and high frequency noise. While at it, the comment for the PWM settings incorrectly said we were using a 5kHz duty cycle. It should have said "period", not "duty cycle". Correct this while updating the values. Signed-off-by: Owen Yang <ecs.taipeikernel@gmail.com> --- Changes in v2: -Correct unit and update values in comment. arch/arm64/boot/dts/qcom/sc7280-herobrine-zombie.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)