Re: [RFC PATCH 0/1] leds: backlight: Register with class backlight

[Jacek Anaszewski]

Hi Guido,

You might want to check the pending patch set [0].

On 11/25/19 3:47 PM, Guido GÃnther wrote:
> When using current LCD drivers as ledtrig backlight they're
> not registered with the backlight device class. This has
> two problems: they're usually not found by userspace since
> these tools usually look in /sys/class/backlight and they
> can't be used as backlight phandles in device tree for
> e.g. LCD panels.
> 
> This is an RFC if this is worthwhile at all? A current problem
> is that changing the LED brightness does currently not notify
> the class backlight so they can get out of sync but i could
> look into that if the approach makes sense.
> 
> 
> Guido GÃnther (1):
>   leds: backlight: register with class backlight too
> 
>  drivers/leds/trigger/ledtrig-backlight.c | 54 ++++++++++++++++++++++++
>  1 file changed, 54 insertions(+)
> 

[0]
https://lore.kernel.org/linux-leds/20191007124437.20367-1-jjhiblot@xxxxxx/

-- 
Best regards,
Jacek Anaszewski