staging: comedi: addi_apci_3120: remove test for AI subdevice

The boards supported by this driver all have analog inputs.
Remove the test for it.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi_apci_3120.c

@@ -194,7 +194,6 @@ static int apci3120_attach_pci(struct comedi_device *dev,
 
 	/*  Allocate and Initialise AI Subdevice Structures */
 	s = &dev->subdevices[0];
-	if (this_board->i_NbrAiChannel || (this_board->i_NbrAiChannelDiff)) {
 	dev->read_subdev = s;
 	s->type = COMEDI_SUBD_AI;
 	s->subdev_flags =
@@ -222,10 +221,6 @@ static int apci3120_attach_pci(struct comedi_device *dev,
 	s->do_cmd = this_board->ai_cmd;
 	s->cancel = this_board->ai_cancel;
 
-	} else {
-		s->type = COMEDI_SUBD_UNUSED;
-	}
-
 	/*  Allocate and Initialise AO Subdevice Structures */
 	s = &dev->subdevices[1];
 	if (this_board->i_NbrAoChannel) {