backlight: add new lm3639 backlight driver

This driver is a general version for LM3639 backlgiht + flash driver chip
of TI.

LM3639:
The LM3639 is a single chip LCD Display Backlight driver + white LED
Camera driver.  Programming is done over an I2C compatible interface.
www.ti.com

[akpm@linux-foundation.org: code layout tweaks]
Signed-off-by: G.Shark Jeong <gshark.jeong@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Daniel Jeong <daniel.jeong@ti.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index b9008b54ac5d..2b98fb8e711d 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -359,6 +359,15 @@ config BACKLIGHT_LM3630
         help
           This supports TI LM3630 Backlight Driver
 
+config BACKLIGHT_LM3639
+        tristate "Backlight Driver for LM3639"
+        depends on BACKLIGHT_CLASS_DEVICE && I2C
+        select REGMAP_I2C
+        select NEW_LEDS
+        select LEDS_CLASS
+        help
+          This supports TI LM3639 Backlight + 1.5A Flash LED Driver
+
 config BACKLIGHT_LP855X
         tristate "Backlight driver for TI LP855X"
         depends on BACKLIGHT_CLASS_DEVICE && I2C