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staging: comedi: adv_pci1724: absorb setup_subdevices()

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For aesthetics, absorb this function into the (*auto_attach).

Add some whitespace to the subdevice init.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2014-11-20 15:10:57 -07:00 committed by Greg Kroah-Hartman
parent 70adf763ba
commit 27de4358f9
1 changed files with 48 additions and 61 deletions
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109
drivers/staging/comedi/drivers/adv_pci1724.c
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@ -130,79 +130,66 @@ static int adv_pci1724_insn_write(struct comedi_device *dev,
return insn->n;
}
/* Allocate and initialize the subdevice structures.
*/
static int setup_subdevices(struct comedi_device *dev)
{
struct comedi_subdevice *s;
int ret;
ret = comedi_alloc_subdevices(dev, 3);
if (ret)
return ret;
/* analog output subdevice */
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->range_table = &ao_ranges_1724;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_NORMAL;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
/* offset calibration */
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_OFFSET;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
/* gain calibration */
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_GAIN;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
return 0;
}
static int adv_pci1724_auto_attach(struct comedi_device *dev,
unsigned long context_unused)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
int retval;
struct comedi_subdevice *s;
unsigned int board_id;
int ret;
retval = comedi_pci_enable(dev);
if (retval)
return retval;
ret = comedi_pci_enable(dev);
if (ret)
return ret;
dev->iobase = pci_resource_start(pcidev, 2);
board_id = inl(dev->iobase + PCI1724_BOARD_ID_REG);
dev_info(dev->class_dev, "board id: %d\n",
board_id & PCI1724_BOARD_ID_MASK);
retval = setup_subdevices(dev);
if (retval < 0)
return retval;
ret = comedi_alloc_subdevices(dev, 3);
if (ret)
return ret;
/* Analog Output subdevice */
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_AO;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->range_table = &ao_ranges_1724;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_NORMAL;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
/* Offset Calibration subdevice */
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_OFFSET;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
/* Gain Calibration subdevice */
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_CALIB;
s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL;
s->n_chan = 32;
s->maxdata = 0x3fff;
s->insn_write = adv_pci1724_insn_write;
s->private = (void *)PCI1724_DAC_CTRL_MODE_GAIN;
ret = comedi_alloc_subdev_readback(s);
if (ret)
return ret;
dev_info(dev->class_dev, "%s (pci %s) attached, board id: %u\n",
dev->board_name, pci_name(pcidev), board_id);