Re: [PATCH 1/2] dt-bindings: backlight: rt4831: Add the new property for ocp level selection

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On 26/05/2022 10:13, ChiYuan Huang wrote:
> Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> 於 2022年5月26日 週四 下午4:06寫道:
>>
>> On 26/05/2022 05:16, cy_huang wrote:
>>> From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
>>>
>>> Add the new property for ocp level selection.
>>>
>>> Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
>>> ---
>>>  .../bindings/leds/backlight/richtek,rt4831-backlight.yaml         | 8 ++++++++
>>>  include/dt-bindings/leds/rt4831-backlight.h                       | 5 +++++
>>>  2 files changed, 13 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
>>> index e0ac686..c1c59de 100644
>>> --- a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
>>> +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
>>> @@ -47,6 +47,14 @@ properties:
>>>      minimum: 0
>>>      maximum: 3
>>>
>>> +  richtek,bled-ocp-sel:
>>
>> Skip "sel" as it is a shortcut of selection. Name instead:
>> "richtek,backlight-ocp"
>>
> OK, if so, do I need to rename all properties from 'bled' to 'backlight' ?
> If  only this property is naming as 'backlight'. it may conflict with
> the others like as "richtek,bled-ovp-sel".

Ah, no, no need.

>>
>>> +    description: |
>>> +      Backlight OCP level selection, currently support 0.9A/1.2A/1.5A/1.8A
>>
>> Could you explain here what is OCP (unfold the acronym)?
> Yes. And the full name is 'over current protection'.

Thanks and this leads to second thing - you encode register value
instead of logical value. This must be a logical value in mA, so
"richtek,bled-ocp-microamp".

I see you already did some register-style for voltage. It's wrong but it
was done, so let it be. But let's don't make that a pattern...


>>
>>
>> Best regards,
>> Krzysztof


Best regards,
Krzysztof



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