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Searched refs:brightness_mutex (Results 1 – 1 of 1) sorted by relevance

/Linux-v4.19/drivers/platform/x86/
Dthinkpad_acpi.c6600 static struct mutex brightness_mutex; variable
6627 if (mutex_lock_killable(&brightness_mutex) < 0) in tpacpi_brightness_checkpoint_nvram()
6651 mutex_unlock(&brightness_mutex); in tpacpi_brightness_checkpoint_nvram()
6726 res = mutex_lock_killable(&brightness_mutex); in brightness_set()
6742 mutex_unlock(&brightness_mutex); in brightness_set()
6768 res = mutex_lock_killable(&brightness_mutex); in brightness_get()
6774 mutex_unlock(&brightness_mutex); in brightness_get()
6923 mutex_init(&brightness_mutex); in brightness_init()