backlight: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.  This is a cosmetic change to
make the code simpler and enhance the readability.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --cc drivers/video/backlight/88pm860x_bl.c
Simple merge

diff --cc drivers/video/backlight/aat2870_bl.c
Simple merge

diff --cc drivers/video/backlight/adp5520_bl.c
Simple merge

diff --cc drivers/video/backlight/adp8860_bl.c
Simple merge

diff --cc drivers/video/backlight/adp8870_bl.c
Simple merge

diff --cc drivers/video/backlight/ams369fg06.c
Simple merge

diff --cc drivers/video/backlight/atmel-pwm-bl.c
Simple merge

diff --cc drivers/video/backlight/bd6107.c
Simple merge

diff --cc drivers/video/backlight/corgi_lcd.c
Simple merge

diff --cc drivers/video/backlight/da903x_bl.c
Simple merge

diff --cc drivers/video/backlight/generic_bl.c
Simple merge

diff --cc drivers/video/backlight/gpio_backlight.c
Simple merge

diff --cc drivers/video/backlight/ili9320.c
Simple merge

diff --cc drivers/video/backlight/kb3886_bl.c
Simple merge

diff --cc drivers/video/backlight/l4f00242t03.c
Simple merge

diff --cc drivers/video/backlight/ld9040.c
Simple merge

diff --cc drivers/video/backlight/lm3533_bl.c
Simple merge

diff --cc drivers/video/backlight/lm3630a_bl.c
Simple merge

diff --cc drivers/video/backlight/lm3639_bl.c
Simple merge

diff --cc drivers/video/backlight/lms283gf05.c
Simple merge

diff --cc drivers/video/backlight/lms501kf03.c
Simple merge

diff --cc drivers/video/backlight/lp855x_bl.c
Simple merge

diff --cc drivers/video/backlight/lv5207lp.c
Simple merge

diff --cc drivers/video/backlight/omap1_bl.c
Simple merge

diff --cc drivers/video/backlight/pcf50633-backlight.c
Simple merge

diff --cc drivers/video/backlight/platform_lcd.c
Simple merge

diff --cc drivers/video/backlight/pwm_bl.c
Simple merge

diff --cc drivers/video/backlight/s6e63m0.c
Simple merge

diff --cc drivers/video/backlight/tdo24m.c
Simple merge

diff --cc drivers/video/backlight/tosa_bl.c
Simple merge

diff --cc drivers/video/backlight/tps65217_bl.c
Simple merge

diff --cc drivers/video/backlight/wm831x_bl.c
Simple merge