backlight: spi driver for LMS283GF05 LCD

ADd support for the SPI part of LMS283GF05 LCD.  The LCD uses SPI for
initialization and powerdown sequences.  No further defails are specified
in the datasheet about the initialization/powerdown sequence, just the
magic numbers that have to be sent over SPI bus.  This LCD can be found in
the Aeronix Zipit Z2 handheld.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index f86dbfd209ad..c0d4a536ea87 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -31,6 +31,13 @@ config LCD_CORGI
           Say y here to support the LCD panels usually found on SHARP
           corgi (C7x0) and spitz (Cxx00) models.
 
+config LCD_LMS283GF05
+        tristate "Samsung LMS283GF05 LCD"
+        depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO
+        help
+          SPI driver for Samsung LMS283GF05. This provides basic support
+          for powering the LCD up/down through a sysfs interface.
+
 config LCD_LTV350QV
         tristate "Samsung LTV350QV LCD Panel"
         depends on LCD_CLASS_DEVICE && SPI_MASTER