write_subdevice   817 drivers/staging/comedi/comedi.h 	int write_subdevice;
write_subdevice   951 drivers/staging/comedi/comedi_fops.c 		devinfo.write_subdevice = s->index;
write_subdevice   953 drivers/staging/comedi/comedi_fops.c 		devinfo.write_subdevice = -1;