unsigned int ao_readback[2];
};
-#define devpriv ((struct dt2801_private *)dev->private)
-
/* These are the low-level routines:
writecommand: write a command to the board
writedata: write data byte
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dt2801_private *devpriv = dev->private;
+
data[0] = devpriv->ao_readback[CR_CHAN(insn->chanspec)];
return 1;
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
+ struct dt2801_private *devpriv = dev->private;
+
dt2801_writecmd(dev, DT_C_WRITE_DAIM);
dt2801_writedata(dev, CR_CHAN(insn->chanspec));
dt2801_writedata2(dev, data[0]);
*/
static int dt2801_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
+ struct dt2801_private *devpriv;
struct comedi_subdevice *s;
unsigned long iobase;
int board_code, type;
if (ret)
goto out;
- ret = alloc_private(dev, sizeof(struct dt2801_private));
- if (ret < 0)
- return ret;
+ devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
+ if (!devpriv)
+ return -ENOMEM;
+ dev->private = devpriv;
dev->board_name = boardtype.name;