Re: [PATCH] arm64: dts: qcom: sc7180-trogdor: Disable pwmleds node where unused

[Konrad Dybcio <konrad.dybcio@linaro.org>]

On 6/14/24 22:59, Nícolas F. R. A. Prado wrote:
> Currently the keyboard backlight is described in the common
> sc7180-trogdor dtsi as an led node below a pwmleds node, and the led
> node is set to disabled. Only the boards that have a keyboard backlight
> enable it.
> 
> However, since the parent pwmleds node is still enabled everywhere, even
> on boards that don't have keyboard backlight it is probed and fails,
> resulting in an error:
> 
>    leds_pwm pwmleds: probe with driver leds_pwm failed with error -22
> 
> as well as a failure in the DT kselftest:
> 
>    not ok 45 /pwmleds
> 
> Fix this by controlling the status of the parent pwmleds node instead of
> the child led, based on the presence of keyboard backlight. This is what
> is done on sc7280 already.
> 
> While at it add a missing blank line before the child node to follow the
> coding style.
> 
> Fixes: 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial trogdor and lazor dt")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Konrad