Lines Matching refs:brightness_mutex
6533 static struct mutex brightness_mutex; variable
6540 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_nvram_get()
6561 if (mutex_lock_killable(&brightness_mutex) < 0) in tpacpi_brightness_checkpoint_nvram()
6585 mutex_unlock(&brightness_mutex); in tpacpi_brightness_checkpoint_nvram()
6593 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_get_raw()
6615 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_set_ec()
6633 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_set_ucmsstep()
6663 res = mutex_lock_killable(&brightness_mutex); in brightness_set()
6679 mutex_unlock(&brightness_mutex); in brightness_set()
6702 res = mutex_lock_killable(&brightness_mutex); in brightness_get()
6708 mutex_unlock(&brightness_mutex); in brightness_get()
6861 mutex_init(&brightness_mutex); in brightness_init()