kbdlight_mutex   5297 drivers/platform/x86/thinkpad_acpi.c static DEFINE_MUTEX(kbdlight_mutex);
kbdlight_mutex   5306 drivers/platform/x86/thinkpad_acpi.c 	mutex_lock(&kbdlight_mutex);
kbdlight_mutex   5313 drivers/platform/x86/thinkpad_acpi.c 	mutex_unlock(&kbdlight_mutex);
kbdlight_mutex   9847 drivers/platform/x86/thinkpad_acpi.c 		mutex_lock(&kbdlight_mutex);
kbdlight_mutex   9860 drivers/platform/x86/thinkpad_acpi.c 		mutex_unlock(&kbdlight_mutex);