staging: comedi: icp_multi: remove n_aichan from boardinfo
authorH Hartley Sweeten <hartleys@visionengravers.com>
Tue, 11 Sep 2012 20:46:34 +0000 (13:46 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Sep 2012 21:01:55 +0000 (14:01 -0700)
There is only one board type supported by this driver and the
number of analog input channels is constant. Remove the
boardinfo for it and just open-code the value.

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/icp_multi.c

index a4c6af9..88f033c 100644 (file)
@@ -130,7 +130,6 @@ struct boardtype {
        int iorange;            /*  I/O range len */
        char have_irq;          /*  1=card support IRQ */
        char cardtype;          /*  0=ICP Multi */
-       int n_aichan;           /*  num of A/D chans */
        int n_aichand;          /*  num of A/D chans in diff mode */
        int ai_maxdata;         /*  resolution of A/D */
        int ao_maxdata;         /*  resolution of D/A */
@@ -650,7 +649,7 @@ static int check_channel_list(struct comedi_device *dev,
                                return 0;
                        }
                } else {
-                       if (CR_CHAN(chanlist[i]) > this_board->n_aichan) {
+                       if (CR_CHAN(chanlist[i]) > s->n_chan) {
                                comedi_error(dev,
                                             "Incorrect ai channel number");
                                return 0;
@@ -769,8 +768,7 @@ static int icp_multi_attach(struct comedi_device *dev,
        dev->board_name = this_board->name;
 
        n_subdevices = 0;
-       if (this_board->n_aichan)
-               n_subdevices++;
+       n_subdevices++;
        n_subdevices++;
        n_subdevices++;
        n_subdevices++;
@@ -803,20 +801,18 @@ static int icp_multi_attach(struct comedi_device *dev,
 
        subdev = 0;
 
-       if (this_board->n_aichan) {
-               s = &dev->subdevices[subdev];
-               dev->read_subdev = s;
-               s->type = COMEDI_SUBD_AI;
-               s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND;
-               if (this_board->n_aichand)
-                       s->subdev_flags |= SDF_DIFF;
-               s->n_chan = this_board->n_aichan;
-               s->maxdata = this_board->ai_maxdata;
-               s->len_chanlist = this_board->n_aichan;
-               s->range_table = this_board->rangelist_ai;
-               s->insn_read = icp_multi_insn_read_ai;
-               subdev++;
-       }
+       s = &dev->subdevices[subdev];
+       dev->read_subdev = s;
+       s->type = COMEDI_SUBD_AI;
+       s->subdev_flags = SDF_READABLE | SDF_COMMON | SDF_GROUND;
+       if (this_board->n_aichand)
+               s->subdev_flags |= SDF_DIFF;
+       s->n_chan = 16;
+       s->maxdata = this_board->ai_maxdata;
+       s->len_chanlist = 16;
+       s->range_table = this_board->rangelist_ai;
+       s->insn_read = icp_multi_insn_read_ai;
+       subdev++;
 
        s = &dev->subdevices[subdev];
        s->type = COMEDI_SUBD_AO;
@@ -890,7 +886,6 @@ static const struct boardtype boardtypes[] = {
                .iorange        = IORANGE_ICP_MULTI,
                .have_irq       = 1,
                .cardtype       = TYPE_ICP_MULTI,
-               .n_aichan       = 16,
                .n_aichand      = 8,
                .ai_maxdata     = 0x0fff,
                .ao_maxdata     = 0x0fff,