[ARM] 5044/1: pwm_bl: add init/notify/exit callbacks

This allows platform code to manipulate GPIOs and brightness level as
needed.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/pwm_backlight.h b/include/linux/pwm_backlight.h
index aeeffedbe822..7a9754c96775 100644
--- a/include/linux/pwm_backlight.h
+++ b/include/linux/pwm_backlight.h
@@ -9,6 +9,9 @@ struct platform_pwm_backlight_data {
         unsigned int max_brightness;
         unsigned int dft_brightness;
         unsigned int pwm_period_ns;
+        int (*init)(struct device *dev);
+        int (*notify)(int brightness);
+        void (*exit)(struct device *dev);
 };
 
 #endif