121 	struct mutex pm_mutex;  member
559 	mutex_lock(&dev->pm_mutex);  in cm109_input_open()
581 	mutex_unlock(&dev->pm_mutex);  in cm109_input_open()
593 	mutex_lock(&dev->pm_mutex);  in cm109_input_close()
603 	mutex_unlock(&dev->pm_mutex);  in cm109_input_close()
713 	mutex_init(&dev->pm_mutex);  in cm109_usb_probe()
826 	mutex_lock(&dev->pm_mutex);  in cm109_usb_suspend()
828 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_suspend()
839 	mutex_lock(&dev->pm_mutex);  in cm109_usb_resume()
841 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_resume()
850 	mutex_lock(&dev->pm_mutex);  in cm109_usb_pre_reset()
873 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_post_reset()