[0] - I/O port base
[1] - unused
[2] - Analog input reference
- 0 = single ended
- 1 = differential
+ 0 = single ended
+ 1 = differential
[3] - Analog input encoding (must match jumpers)
- 0 = straight binary
- 1 = two's complement
+ 0 = straight binary
+ 1 = two's complement
*/
#include <linux/interrupt.h>
data[n] = inb(dev->iobase + PCMAD_LSB);
data[n] |= (inb(dev->iobase + PCMAD_MSB) << 8);
- if (devpriv->twos_comp) {
+ if (devpriv->twos_comp)
data[n] ^= (1 << (this_board->n_ai_bits - 1));
- }
}
return n;
unsigned long iobase;
iobase = it->options[0];
- printk("comedi%d: pcmad: 0x%04lx ", dev->minor, iobase);
+ printk(KERN_INFO "comedi%d: pcmad: 0x%04lx ", dev->minor, iobase);
if (!request_region(iobase, PCMAD_SIZE, "pcmad")) {
- printk("I/O port conflict\n");
+ printk(KERN_CONT "I/O port conflict\n");
return -EIO;
}
+ printk(KERN_CONT "\n");
dev->iobase = iobase;
ret = alloc_subdevices(dev, 1);
static int pcmad_detach(struct comedi_device *dev)
{
- printk("comedi%d: pcmad: remove\n", dev->minor);
+ printk(KERN_INFO "comedi%d: pcmad: remove\n", dev->minor);
- if (dev->irq) {
+ if (dev->irq)
free_irq(dev->irq, dev);
- }
+
if (dev->iobase)
release_region(dev->iobase, PCMAD_SIZE);