diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2020-02-19 22:46:10 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-02-20 00:15:39 +0300 |
| commit | ae232e45acf9621f2c96b41ca3af006ac7552c33 (patch) | |
| tree | be6a8945a24915ceda21ee2a78a154ad979c72e6 /drivers/video/backlight/Kconfig | |
| parent | bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9 (diff) | |
| download | linux-ae232e45acf9621f2c96b41ca3af006ac7552c33.tar.xz | |
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>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/video/backlight/Kconfig')
| -rw-r--r-- | drivers/video/backlight/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 403707a3e503..0093bbd0d326 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -456,6 +456,13 @@ config BACKLIGHT_RAVE_SP help Support for backlight control on RAVE SP device. +config BACKLIGHT_LED + tristate "Generic LED based Backlight Driver" + depends on LEDS_CLASS && OF + help + If you have a LCD backlight adjustable by LED class driver, say Y + to enable this driver. + endif # BACKLIGHT_CLASS_DEVICE endmenu |