Staging: Comedi adv_pci1710: Cleaned up comments

Removed useless comments and cleaned up text.
Signed-off-by: Tomas Melin <tomas.melin@iki.fi>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/adv_pci1710.c

@@ -1165,32 +1165,30 @@ static int check_channel_list(struct comedi_device *dev,
 		return 1; /* seglen=1 */
 
 	chansegment[0] = chanlist[0]; /*  first channel is every time ok */
-	for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {	/*  build part of chanlist */
-		/*  printk("%d. %d %d\n",i,CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
+	for (i = 1, seglen = 1; i < n_chan; i++, seglen++) {
 		if (chanlist[0] == chanlist[i])
-			break;	/*  we detect loop, this must by finish */
-		if (CR_CHAN(chanlist[i]) & 1)	/*  odd channel cann't by differencial */
+			break;	/*  we detected a loop, stop */
+		if (CR_CHAN(chanlist[i]) & 1)
 			if (CR_AREF(chanlist[i]) == AREF_DIFF) {
 				comedi_error(dev,
-					     "Odd channel can't be differential input!\n");
+					     "Odd channel cannot be differential input!\n");
 				return 0;
 			}
 		nowmustbechan =
 			(CR_CHAN(chansegment[i - 1]) + 1) % s->n_chan;
 		if (CR_AREF(chansegment[i - 1]) == AREF_DIFF)
 			nowmustbechan = (nowmustbechan + 1) % s->n_chan;
-		if (nowmustbechan != CR_CHAN(chanlist[i])) {	/*  channel list isn't continuous :-( */
+		if (nowmustbechan != CR_CHAN(chanlist[i])) {
 			printk
 				("channel list must be continuous! chanlist[%i]=%d but must be %d or %d!\n",
 				 i, CR_CHAN(chanlist[i]), nowmustbechan,
 				 CR_CHAN(chanlist[0]));
 			return 0;
 		}
-		chansegment[i] = chanlist[i];	/*  well, this is next correct channel in list */
+		chansegment[i] = chanlist[i]; /* next correct channel in list */
 	}
 
-	for (i = 0, segpos = 0; i < n_chan; i++) {	/*  check whole chanlist */
-		/* printk("%d %d=%d %d\n",CR_CHAN(chansegment[i%seglen]),CR_RANGE(chansegment[i%seglen]),CR_CHAN(chanlist[i]),CR_RANGE(chanlist[i])); */
+	for (i = 0, segpos = 0; i < n_chan; i++) {
 		if (chanlist[i] != chansegment[i % seglen]) {
 			printk
 				("bad channel, reference or range number! chanlist[%i]=%d,%d,%d and not %d,%d,%d!\n",