Lines Matching refs:brightness_mutex
6434 static struct mutex brightness_mutex; variable
6441 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_nvram_get()
6462 if (mutex_lock_killable(&brightness_mutex) < 0) in tpacpi_brightness_checkpoint_nvram()
6486 mutex_unlock(&brightness_mutex); in tpacpi_brightness_checkpoint_nvram()
6494 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_get_raw()
6516 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_set_ec()
6534 lockdep_assert_held(&brightness_mutex); in tpacpi_brightness_set_ucmsstep()
6564 res = mutex_lock_killable(&brightness_mutex); in brightness_set()
6580 mutex_unlock(&brightness_mutex); in brightness_set()
6603 res = mutex_lock_killable(&brightness_mutex); in brightness_get()
6609 mutex_unlock(&brightness_mutex); in brightness_get()
6762 mutex_init(&brightness_mutex); in brightness_init()