[PATCH 07/21] staging: comedi: icp_multi: remove n_aichan from boardinfo
H Hartley Sweeten
hartleys at visionengravers.com
Tue Sep 11 20:46:34 UTC 2012
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 at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/icp_multi.c | 33 +++++++++++++-----------------
1 file changed, 14 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c
index a4c6af9..88f033c 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -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,
--
1.7.11
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