Lines Matching refs:ibm_backlight_device
6526 static struct backlight_device *ibm_backlight_device; variable
6718 backlight_force_update(ibm_backlight_device, in tpacpi_brightness_notify_change()
6927 ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, in brightness_init()
6931 if (IS_ERR(ibm_backlight_device)) { in brightness_init()
6932 int rc = PTR_ERR(ibm_backlight_device); in brightness_init()
6933 ibm_backlight_device = NULL; in brightness_init()
6951 backlight_update_status(ibm_backlight_device); in brightness_init()
6973 if (ibm_backlight_device) { in brightness_exit()
6976 backlight_device_unregister(ibm_backlight_device); in brightness_exit()
7031 if (!rc && ibm_backlight_device) in brightness_write()
7032 backlight_force_update(ibm_backlight_device, in brightness_write()
10977 if (ibm_backlight_device) { in tpacpi_driver_event()