Lines Matching refs:ibm_backlight_device
6143 static struct backlight_device *ibm_backlight_device; variable
6334 backlight_force_update(ibm_backlight_device, in tpacpi_brightness_notify_change()
6545 ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, in brightness_init()
6549 if (IS_ERR(ibm_backlight_device)) { in brightness_init()
6550 int rc = PTR_ERR(ibm_backlight_device); in brightness_init()
6551 ibm_backlight_device = NULL; in brightness_init()
6569 backlight_update_status(ibm_backlight_device); in brightness_init()
6592 if (ibm_backlight_device) { in brightness_exit()
6595 backlight_device_unregister(ibm_backlight_device); in brightness_exit()
6650 if (!rc && ibm_backlight_device) in brightness_write()
6651 backlight_force_update(ibm_backlight_device, in brightness_write()
8824 if (ibm_backlight_device) { in tpacpi_driver_event()