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);