On Sun, 12 Jun 2022 19:06:09 +0200 Krzysztof Kozlowski via Replicant <replicant@osuosl.org> wrote:
> On 12/06/2022 17:09, Jacek Anaszewski wrote:
> > On 6/10/22 12:14, Krzysztof Kozlowski wrote:
> >> On 09/06/2022 22:31, Jacek Anaszewski wrote:
> >>> Hi Krzysztof,
> >>>
> >>> On 6/7/22 10:53, Krzysztof Kozlowski wrote:
> >>>> Add common LED properties - the function and color - to aat1290
> >>>> flash LED node in Galaxy S3.
> >>>>
> >>>> Signed-off-by: Krzysztof Kozlowski
> >>>> <krzysztof.kozlow...@linaro.org> ---
> >>>> arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi | 3 +++
> >>>> 1 file changed, 3 insertions(+)
> >>>>
> >>>> diff --git a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi
> >>>> b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi index
> >>>> 72901772fcad..d76f3678dcab 100644 ---
> >>>> a/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi +++
> >>>> b/arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi @@ -7,6 +7,7 @@
> >>>> */
> >>>>
> >>>> /dts-v1/;
> >>>> +#include <dt-bindings/leds/common.h>
> >>>> #include "exynos4412-midas.dtsi"
> >>>>
> >>>> / {
> >>>> @@ -27,6 +28,8 @@ led-controller {
> >>>>
> >>>> led {
> >>>> label = "flash";
> >>>> + function = LED_FUNCTION_FLASH;
> >>>> + color = <LED_COLOR_ID_WHITE>;
> >>>
> >>> Addition of these two properties will not change anything because
> >>> the label has precedence. It is deprecated, but if you introduce
> >>> function and color to the binding instead of the label, the
> >>> resulting LED class device name will change.
> >>
> >> Which is not necessarily what we want, right? Adding these
> >> properties is a proper description of hardware, regardless whether
> >> current Linux implementation uses them or not.
> >
> > Actually I'd just drop label in addition to your change.
> > I don't think it would break anybody seriously - not expecting it
> > has any larger group of users and having uniformly constructed DTS
> > files in the mainline has greater value.
> >
>
> What about some PostmarketOSos, LineageOS and other OSes?
>
> Let me Cc here some folks - Simon, Martin, is the label in flash LED
> node anyhow important for you? Can it be dropped and replaced with
> function+color?
We don't have flash or camera support yet with Replicant version(s) that
use kernel(s) based on upstream Linux, so it won't break anything.
Denis.
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