Messages in this thread | | | Date | Fri, 5 Jul 2019 12:14:34 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH 0/4] Add a generic driver for LED-based backlight |
| |
On Mon 2019-07-01 17:14:19, Jean-Jacques Hiblot wrote: > This series aims to add a led-backlight driver, similar to pwm-backlight, > but using a LED class device underneath. > > A few years ago (2015), Tomi Valkeinen posted a series implementing a > backlight driver on top of a LED device: > https://patchwork.kernel.org/patch/7293991/ > https://patchwork.kernel.org/patch/7294001/ > https://patchwork.kernel.org/patch/7293981/ > > The discussion stopped because Tomi lacked the time to work on it. > > This series takes it from there and implements the binding that was > discussed in https://patchwork.kernel.org/patch/7293991/. In this new > binding the backlight device is a child of the LED controller instead of > being another platform device that uses a phandle to reference a LED.
Other option would be to have backlight trigger. What are advantages/disadvantages relative to that? Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
| |