diff options
Diffstat (limited to 'include/linux/lcd.h')
| -rw-r--r-- | include/linux/lcd.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/include/linux/lcd.h b/include/linux/lcd.h index c3ccdff4519a..d4fa03722b72 100644 --- a/include/linux/lcd.h +++ b/include/linux/lcd.h @@ -11,7 +11,6 @@ #include <linux/device.h> #include <linux/mutex.h> -#include <linux/notifier.h> #define LCD_POWER_ON (0) #define LCD_POWER_REDUCED (1) // deprecated; don't use in new code @@ -79,8 +78,11 @@ struct lcd_device { const struct lcd_ops *ops; /* Serialise access to set_power method */ struct mutex update_lock; - /* The framebuffer notifier block */ - struct notifier_block fb_notif; + + /** + * @entry: List entry of all registered lcd devices + */ + struct list_head entry; struct device dev; }; @@ -125,6 +127,19 @@ extern void lcd_device_unregister(struct lcd_device *ld); extern void devm_lcd_device_unregister(struct device *dev, struct lcd_device *ld); +#if IS_REACHABLE(CONFIG_LCD_CLASS_DEVICE) +void lcd_notify_blank_all(struct device *display_dev, int power); +void lcd_notify_mode_change_all(struct device *display_dev, + unsigned int width, unsigned int height); +#else +static inline void lcd_notify_blank_all(struct device *display_dev, int power) +{} + +static inline void lcd_notify_mode_change_all(struct device *display_dev, + unsigned int width, unsigned int height) +{} +#endif + #define to_lcd_device(obj) container_of(obj, struct lcd_device, dev) static inline void * lcd_get_data(struct lcd_device *ld_dev) |