97 	struct mutex cable_lock;  member
366 	mutex_lock(&dpcm->loopback->cable_lock);  in loopback_prepare()
372 	mutex_unlock(&dpcm->loopback->cable_lock);  in loopback_prepare()
606 	mutex_lock(&dpcm->loopback->cable_lock);  in loopback_hw_free()
608 	mutex_unlock(&dpcm->loopback->cable_lock);  in loopback_hw_free()
670 	mutex_lock(&loopback->cable_lock);  in loopback_open()
727 	mutex_unlock(&loopback->cable_lock);  in loopback_open()
739 	mutex_lock(&loopback->cable_lock);  in loopback_close()
749 	mutex_unlock(&loopback->cable_lock);  in loopback_close()
834 	mutex_lock(&loopback->cable_lock);  in loopback_rate_shift_put()
841 	mutex_unlock(&loopback->cable_lock);  in loopback_rate_shift_put()
1106 	mutex_lock(&loopback->cable_lock);  in print_cable_info()
1111 	mutex_unlock(&loopback->cable_lock);  in print_cable_info()
1148 	mutex_init(&loopback->cable_lock);  in loopback_probe()