[PATCH 5/5] arm64: dts: qcom: msm8953-xiaomi-daisy: fix backlight

Barnabás Czémán posted 5 patches 1 month ago
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[PATCH 5/5] arm64: dts: qcom: msm8953-xiaomi-daisy: fix backlight
Posted by Barnabás Czémán 1 month ago
Set qcom,num-strings to 3 instead of 2 for avoid stripes.

Fixes: 38d779c26395 ("arm64: dts: qcom: msm8953: Add device tree for Xiaomi Mi A2 Lite")
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
---
 arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
index ddd7af616794..59f873a06e4d 100644
--- a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
+++ b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
@@ -157,7 +157,7 @@ &pm8953_resin {
 
 &pmi8950_wled {
 	qcom,current-limit-microamp = <20000>;
-	qcom,num-strings = <2>;
+	qcom,num-strings = <3>;
 
 	status = "okay";
 };

-- 
2.52.0

Re: [PATCH 5/5] arm64: dts: qcom: msm8953-xiaomi-daisy: fix backlight
Posted by Konrad Dybcio 1 month ago
On 1/7/26 2:31 PM, Barnabás Czémán wrote:
> Set qcom,num-strings to 3 instead of 2 for avoid stripes.

"""
The backlight on this device is connected via 3 strings. Currently,
the DT claims only two are present, which results in visible stripes
on the display (since every third backlight string remains unconfigured).

Fix the number of strings to avoid that
"""

Konrad

> 
> Fixes: 38d779c26395 ("arm64: dts: qcom: msm8953: Add device tree for Xiaomi Mi A2 Lite")
> Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
> ---
>  arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
> index ddd7af616794..59f873a06e4d 100644
> --- a/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8953-xiaomi-daisy.dts
> @@ -157,7 +157,7 @@ &pm8953_resin {
>  
>  &pmi8950_wled {
>  	qcom,current-limit-microamp = <20000>;
> -	qcom,num-strings = <2>;
> +	qcom,num-strings = <3>;
>  
>  	status = "okay";
>  };
>