[ARM] pxa: update pwm_backlight->notify() to include missed 'struct device *'

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 5352b4e5a7dd..89f258c9e126 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -379,7 +379,7 @@ err_request_bckl:
         return ret;
 }
 
-static int viper_backlight_notify(int brightness)
+static int viper_backlight_notify(struct device *dev, int brightness)
 {
         gpio_set_value(VIPER_LCD_EN_GPIO, !!brightness);
         gpio_set_value(VIPER_BCKLIGHT_EN_GPIO, !!brightness);