Lines Matching refs:ibm_backlight_device
6627 static struct backlight_device *ibm_backlight_device; variable
6818 backlight_force_update(ibm_backlight_device, in tpacpi_brightness_notify_change()
7025 ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, in brightness_init()
7029 if (IS_ERR(ibm_backlight_device)) { in brightness_init()
7030 int rc = PTR_ERR(ibm_backlight_device); in brightness_init()
7031 ibm_backlight_device = NULL; in brightness_init()
7049 backlight_update_status(ibm_backlight_device); in brightness_init()
7071 if (ibm_backlight_device) { in brightness_exit()
7074 backlight_device_unregister(ibm_backlight_device); in brightness_exit()
7129 if (!rc && ibm_backlight_device) in brightness_write()
7130 backlight_force_update(ibm_backlight_device, in brightness_write()
9954 if (ibm_backlight_device) { in tpacpi_driver_event()