Hi!
It would be good to get LED backlight to work in clean way for 5.6 kernel.
I agree, this is badly needed for many devices.
[If you have an idea what else is needed, it would be welcome; it works for me in development tree but not in tree I'd like to upstream.]
I have some version of these patches working with modified dts in my droid4-pending-v5.4 branch git branch, maybe try to diff against that.
So.. backlight now works for me, and I put the LED parts of the patches to
gitolite.kernel.org:pub/scm/linux/kernel/git/pavel/linux-leds.git for-next
tree. [I guess I could try to sneak them into 5.5 if that helps.]
Could we somehow get this to the backlight tree?
commit d457d0c97d6d55fe3e62633791ac05d289a37d2e Author: Tomi Valkeinen tomi.valkeinen@ti.com Date: Thu Oct 3 10:28:12 2019 +0200
backlight: add led-backlight driver
This patch adds a led-backlight driver (led_bl), which is similar to pwm_bl except the driver uses a LED class driver to adjust the brightness in the HW. Multiple LEDs can be used for a single backlight.
Signed-off-by: Tomi Valkeinen tomi.valkeinen@ti.com Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com Acked-by: Pavel Machek pavel@ucw.cz Reviewed-by: Daniel Thompson daniel.thompson@linaro.org
Best regards, Pavel