s3_wmi_lock 55 drivers/platform/x86/surface3-wmi.c static DEFINE_MUTEX(s3_wmi_lock); s3_wmi_lock 64 drivers/platform/x86/surface3-wmi.c mutex_lock(&s3_wmi_lock); s3_wmi_lock 82 drivers/platform/x86/surface3-wmi.c mutex_unlock(&s3_wmi_lock);