Lines Matching refs:ibm_backlight_device
6645 static struct backlight_device *ibm_backlight_device; variable
6836 backlight_force_update(ibm_backlight_device, in tpacpi_brightness_notify_change()
7038 ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, in brightness_init()
7042 if (IS_ERR(ibm_backlight_device)) { in brightness_init()
7043 int rc = PTR_ERR(ibm_backlight_device); in brightness_init()
7044 ibm_backlight_device = NULL; in brightness_init()
7062 backlight_update_status(ibm_backlight_device); in brightness_init()
7084 if (ibm_backlight_device) { in brightness_exit()
7087 backlight_device_unregister(ibm_backlight_device); in brightness_exit()
7142 if (!rc && ibm_backlight_device) in brightness_write()
7143 backlight_force_update(ibm_backlight_device, in brightness_write()
9829 if (ibm_backlight_device) { in tpacpi_driver_event()