153 static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)  in usb_stream_hwdep_open()  argument
158 	snd_printdd(KERN_DEBUG "%p %p\n", hw, file);  in usb_stream_hwdep_open()
163 		us122l->first = file;  in usb_stream_hwdep_open()
174 static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)  in usb_stream_hwdep_release()  argument
179 	snd_printdd(KERN_DEBUG "%p %p\n", hw, file);  in usb_stream_hwdep_release()
187 	if (us122l->first == file)  in usb_stream_hwdep_release()
190 	if (us122l->master == file)  in usb_stream_hwdep_release()
199 				 struct file *filp, struct vm_area_struct *area)  in usb_stream_hwdep_mmap()
238 					  struct file *file, poll_table *wait)  in usb_stream_hwdep_poll()  argument
244 	poll_wait(file, &us122l->sk.sleep, wait);  in usb_stream_hwdep_poll()
251 			if (us122l->first == file)  in usb_stream_hwdep_poll()
345 static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,  in usb_stream_hwdep_ioctl()  argument
393 		us122l->master = file;  in usb_stream_hwdep_ioctl()
394 	} else if (us122l->master != file) {  in usb_stream_hwdep_ioctl()
399 		us122l->slave = file;  in usb_stream_hwdep_ioctl()