Re: [PATCH 5/5] ARM: dts: qcom: msm8974-oneplus-bacon: Add notification LED

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On 25/01/2023 21:51, Luca Weiss wrote:
> On Montag, 23. Jänner 2023 18:18:16 CET Krzysztof Kozlowski wrote:
>> On 22/01/2023 17:48, Luca Weiss wrote:
>>> Add the node describing the sn3193 that's used to provide notification
>>> LED.
>>>
>>> Unfortunately the driver currently supports neither multicolor API nor
>>> using the properties function & color, so we use label instead.
>>>
>>> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
>>> ---
>>>
>>>  .../arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts | 28
>>>  ++++++++++++++++++++++ 1 file changed, 28 insertions(+)
>>>
>>> diff --git a/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
>>> b/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts index
>>> ffb486ceb6a6..a672c45d7070 100644
>>> --- a/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
>>> +++ b/arch/arm/boot/dts/qcom-msm8974pro-oneplus-bacon.dts
>>> @@ -114,6 +114,34 @@ led@0 {
>>>
>>>  			default-brightness = <80>;
>>>  		
>>>  		};
>>>  	
>>>  	};
>>>
>>> +
>>> +	led-controller@68 {
>>> +		compatible = "si-en,sn3193";
>>> +		reg = <0x68>;
>>> +
>>> +		shutdown-gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>;
>>> +
>>> +		#address-cells = <1>;
>>> +		#size-cells = <0>;
>>> +
>>> +		led@1 {
>>> +			reg = <1>;
>>> +			label = "red:status";
>>
>> These should be colors and functions.
> 
> Hi Krzysztof,
> 
> please check the commit message for this. I tried using it but it didn't work, 
> the driver in general might need an overhaul at some point...
> 
>> Unfortunately the driver currently supports neither multicolor API nor
>> using the properties function & color, so we use label instead.
> 
> Or maybe I messed up but pretty sure this was the case when I wrote the dts.

I don't understand how driver is related here - it's not the driver's
property, but LED core. If the driver "supports" label, then it supports
color and status.

Best regards,
Krzysztof




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