brightness_mutex 6652 drivers/platform/x86/thinkpad_acpi.c static struct mutex brightness_mutex;
brightness_mutex 6679 drivers/platform/x86/thinkpad_acpi.c 	if (mutex_lock_killable(&brightness_mutex) < 0)
brightness_mutex 6703 drivers/platform/x86/thinkpad_acpi.c 	mutex_unlock(&brightness_mutex);
brightness_mutex 6778 drivers/platform/x86/thinkpad_acpi.c 	res = mutex_lock_killable(&brightness_mutex);
brightness_mutex 6794 drivers/platform/x86/thinkpad_acpi.c 	mutex_unlock(&brightness_mutex);
brightness_mutex 6820 drivers/platform/x86/thinkpad_acpi.c 	res = mutex_lock_killable(&brightness_mutex);
brightness_mutex 6826 drivers/platform/x86/thinkpad_acpi.c 	mutex_unlock(&brightness_mutex);
brightness_mutex 6975 drivers/platform/x86/thinkpad_acpi.c 	mutex_init(&brightness_mutex);