On 2022-03-30 12:26:39, Joel Selvaraj wrote:
Xiaomi Poco F1 uses the QCOM WLED driver for backlight control. Enable and link it to the panel to use it.
Signed-off-by: Joel Selvaraj jo@jsfamily.in
.../arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts index 798fc72578a7..3ebb0f9905d3 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts @@ -231,6 +231,7 @@ panel@0 { #address-cells = <1>; #size-cells = <0>;
backlight = <&pmi8998_wled>;reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
port {
@@ -314,6 +315,18 @@ vol_up_pin_a: vol-up-active { }; };
+&pmi8998_wled {
- status = "okay";
- qcom,current-boost-limit = <970>;
- qcom,ovp-millivolt = <29600>;
- qcom,current-limit-microamp = <20000>;
- qcom,enabled-strings = <0 1>;
- qcom,num-strings = <2>;
No need to set both nowadays, the driver will even print a warning in this case:
https://lore.kernel.org/linux-arm-msm/20211115203459.1634079-6-marijn.suijte...
Sticking with qcom,num-strings is probably the right choice here.
- Marijn
- qcom,switching-freq = <600>;
- qcom,external-pfet;
- qcom,cabc;
+};
&pm8998_pon { resin { compatible = "qcom,pm8941-resin"; -- 2.35.1