max_diff_chan    1408 drivers/staging/comedi/drivers/amplc_pci230.c 	unsigned int max_diff_chan = (s->n_chan / 2) - 1;
max_diff_chan    1423 drivers/staging/comedi/drivers/amplc_pci230.c 		if (aref == AREF_DIFF && chan >= max_diff_chan) {
max_diff_chan    1426 drivers/staging/comedi/drivers/amplc_pci230.c 				__func__, max_diff_chan);