124 	struct mutex pm_mutex;  member
537 	mutex_lock(&dev->pm_mutex);  in cm109_input_open()
556 	mutex_unlock(&dev->pm_mutex);  in cm109_input_open()
568 	mutex_lock(&dev->pm_mutex);  in cm109_input_close()
578 	mutex_unlock(&dev->pm_mutex);  in cm109_input_close()
688 	mutex_init(&dev->pm_mutex);  in cm109_usb_probe()
801 	mutex_lock(&dev->pm_mutex);  in cm109_usb_suspend()
803 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_suspend()
814 	mutex_lock(&dev->pm_mutex);  in cm109_usb_resume()
816 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_resume()
825 	mutex_lock(&dev->pm_mutex);  in cm109_usb_pre_reset()
848 	mutex_unlock(&dev->pm_mutex);  in cm109_usb_post_reset()