73 #define bl_get_data(bd) (bd)->data  argument
77 void linux_backlight_device_unregister(struct backlight_device *bd);
80 #define	backlight_device_unregister(bd)	linux_backlight_device_unregister(bd)  argument
83 backlight_update_status(struct backlight_device *bd)  in backlight_update_status()  argument
85 	return (bd->ops->update_status(bd));  in backlight_update_status()
89 backlight_force_update(struct backlight_device *bd, int reason)  in backlight_force_update()  argument
91 	bd->props.brightness = bd->ops->get_brightness(bd);  in backlight_force_update()
95 backlight_device_set_brightness(struct backlight_device *bd, int brightness)  in backlight_device_set_brightness()  argument
98 	if (brightness > bd->props.max_brightness)  in backlight_device_set_brightness()
100 	bd->props.brightness = brightness;  in backlight_device_set_brightness()
101 	return (bd->ops->update_status(bd));  in backlight_device_set_brightness()
105 backlight_enable(struct backlight_device *bd)  in backlight_enable()  argument
107 	if (bd == NULL)  in backlight_enable()
109 	bd->props.power = 0/* FB_BLANK_UNBLANK */;  in backlight_enable()
110 	return (backlight_update_status(bd));  in backlight_enable()
114 backlight_disable(struct backlight_device *bd)  in backlight_disable()  argument
116 	if (bd == NULL)  in backlight_disable()
118 	bd->props.power = 4/* FB_BLANK_POWERDOWN */;  in backlight_disable()
119 	return (backlight_update_status(bd));  in backlight_disable()