From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Tue, 08 Sep 2015 11:19:33 +0000 Subject: [PATCHv2 0/3] backlight: led-backlight driver Message-Id: <1441711176-4258-1-git-send-email-tomi.valkeinen@ti.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jacek Anaszewski , Jingoo Han , Lee Jones , linux-leds@vger.kernel.org, linux-fbdev@vger.kernel.org Cc: Andrew Lunn , Tomi Valkeinen This series aims to add a led-backlight driver, similar to pwm-backlight, but using a LED class device underneath. LED framework has no support for DT or getting a LED class driver from another kernel driver, so I added minimal functionality to led-class to get led-backlight working. Changes to v1: - Split LED OF parts into separate .h and .c files - Check for CONFIG_OF and CONFIG_LEDS_CLASS where relevant to leave unused code out. - Improved error prints and comments a bit - Added put_device() into led_put(), as the device was gotten from class_find_device() which requires a put_device() call. Tomi Tomi Valkeinen (3): leds: Add of_led_get() and led_put() backlight: add led-backlight driver devicetree: Add led-backlight binding .../bindings/video/backlight/led-backlight.txt | 30 +++ drivers/leds/Makefile | 6 +- drivers/leds/led-class.c | 13 +- drivers/leds/led-of.c | 82 +++++++ drivers/leds/leds.h | 1 + drivers/video/backlight/Kconfig | 7 + drivers/video/backlight/Makefile | 1 + drivers/video/backlight/led_bl.c | 235 +++++++++++++++++++++ include/linux/leds-of.h | 26 +++ include/linux/leds.h | 2 + 10 files changed, 401 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/video/backlight/led-backlight.txt create mode 100644 drivers/leds/led-of.c create mode 100644 drivers/video/backlight/led_bl.c create mode 100644 include/linux/leds-of.h -- 2.1.4