121 	struct mutex pm_mutex;  member
559 	mutex_lock(&dev->pm_mutex);  in cm109_input_open()
578 	mutex_unlock(&dev->pm_mutex);  in cm109_input_open()
590 	mutex_lock(&dev->pm_mutex);  in cm109_input_close()
600 	mutex_unlock(&dev->pm_mutex);  in cm109_input_close()
714 	mutex_init(&dev->pm_mutex);  in cm109_usb_probe()
827 	mutex_lock(&dev->pm_mutex);  in cm109_usb_suspend()
829 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_suspend()
840 	mutex_lock(&dev->pm_mutex);  in cm109_usb_resume()
842 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_resume()
851 	mutex_lock(&dev->pm_mutex);  in cm109_usb_pre_reset()
874 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_post_reset()