diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/pcmmio.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c index 873fcf3e87aa..84be517bb237 100644 --- a/drivers/staging/comedi/drivers/pcmmio.c +++ b/drivers/staging/comedi/drivers/pcmmio.c @@ -348,24 +348,16 @@ static int pcmmio_dio_insn_config(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { - struct pcmmio_subdev_private *subpriv = s->private; - unsigned int chan = CR_CHAN(insn->chanspec); - int byte_no = chan / 8; - int bit_no = chan % 8; + /* subdevice 2 uses ports 0-2, subdevice 3 uses ports 3-5 */ + int port = s->index == 2 ? 0 : 3; int ret; ret = comedi_dio_insn_config(dev, s, insn, data, 0); if (ret) return ret; - if (data[0] == INSN_CONFIG_DIO_INPUT) { - unsigned long ioaddr = subpriv->iobases[byte_no]; - unsigned char val; - - val = inb(ioaddr); - val &= ~(1 << bit_no); - outb(val, ioaddr); - } + if (data[0] == INSN_CONFIG_DIO_INPUT) + pcmmio_dio_write(dev, s->io_bits, 0, port); return insn->n; } |