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staging: comedi: adq12b: remove boardinfo

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This driver only supports a single "boardtype". Remove the unneeded
boardinfo struct and its use in the driver.

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>
This commit is contained in:
H Hartley Sweeten
2012-10-08 10:47:49 -07:00
committed by Greg Kroah-Hartman
parent bee1ef8972
commit 7195ea042c
1 changed files with 7 additions and 31 deletions
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38
drivers/staging/comedi/drivers/adq12b.c
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@@ -116,15 +116,6 @@ static const struct comedi_lrange range_adq12b_ai_unipolar = { 4, {
}
};
struct adq12b_board {
const char *name;
int ai_se_chans;
int ai_diff_chans;
int ai_bits;
int di_chans;
int do_chans;
};
struct adq12b_private {
int unipolar; /* option 2 of comedi_config (1 is iobase) */
int differential; /* option 3 of comedi_config */
@@ -220,13 +211,14 @@ static int adq12b_do_insn_bits(struct comedi_device *dev,
static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct adq12b_board *board = comedi_board(dev);
struct adq12b_private *devpriv;
struct comedi_subdevice *s;
unsigned long iobase;
int unipolar, differential;
int ret;
dev->board_name = dev->driver->driver_name;
iobase = it->options[0];
unipolar = it->options[1];
differential = it->options[2];
@@ -251,8 +243,6 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
}
dev->iobase = iobase;
dev->board_name = board->name;
ret = alloc_private(dev, sizeof(*devpriv));
if (ret)
return ret;
@@ -277,10 +267,10 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->type = COMEDI_SUBD_AI;
if (differential) {
s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DIFF;
s->n_chan = board->ai_diff_chans;
s->n_chan = 8;
} else {
s->subdev_flags = SDF_READABLE | SDF_GROUND;
s->n_chan = board->ai_se_chans;
s->n_chan = 16;
}
if (unipolar)
@@ -288,7 +278,7 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
else
s->range_table = &range_adq12b_ai_bipolar;
s->maxdata = (1 << board->ai_bits) - 1;
s->maxdata = 0xfff;
s->len_chanlist = 4; /* This is the maximum chanlist length that
the board can handle */
@@ -298,7 +288,7 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* digital input subdevice */
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = board->di_chans;
s->n_chan = 5;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = adq12b_di_insn_bits;
@@ -307,7 +297,7 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* digital output subdevice */
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->n_chan = board->do_chans;
s->n_chan = 8;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = adq12b_do_insn_bits;
@@ -323,25 +313,11 @@ static void adq12b_detach(struct comedi_device *dev)
release_region(dev->iobase, ADQ12B_SIZE);
}
static const struct adq12b_board adq12b_boards[] = {
{
.name = "adq12b",
.ai_se_chans = 16,
.ai_diff_chans = 8,
.ai_bits = 12,
.di_chans = 5,
.do_chans = 8,
},
};
static struct comedi_driver adq12b_driver = {
.driver_name = "adq12b",
.module = THIS_MODULE,
.attach = adq12b_attach,
.detach = adq12b_detach,
.board_name = &adq12b_boards[0].name,
.offset = sizeof(struct adq12b_board),
.num_names = ARRAY_SIZE(adq12b_boards),
};
module_comedi_driver(adq12b_driver);