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path: root/drivers/staging/comedi/drivers/pcl711.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/pcl711.c')
-rw-r--r--drivers/staging/comedi/drivers/pcl711.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c
index 4914784f699..a499f7070f7 100644
--- a/drivers/staging/comedi/drivers/pcl711.c
+++ b/drivers/staging/comedi/drivers/pcl711.c
@@ -207,11 +207,10 @@ static irqreturn_t pcl711_interrupt(int irq, void *d)
/* FIXME! Nothing else sets ntrig! */
if (!(--devpriv->ntrig)) {
- if (this_board->is_8112) {
+ if (this_board->is_8112)
outb(1, dev->iobase + PCL711_MODE);
- } else {
+ else
outb(0, dev->iobase + PCL711_MODE);
- }
s->async->events |= COMEDI_CB_EOA;
}
@@ -232,15 +231,15 @@ static void pcl711_set_changain(struct comedi_device *dev, int chan)
/*
* Set the correct channel. The two channel banks are switched
* using the mask value.
- * NB: To use differential channels, you should use mask = 0x30,
- * but I haven't written the support for this yet. /JJ
+ * NB: To use differential channels, you should use
+ * mask = 0x30, but I haven't written the support for this
+ * yet. /JJ
*/
- if (chan_register >= 8) {
+ if (chan_register >= 8)
chan_register = 0x20 | (chan_register & 0x7);
- } else {
+ else
chan_register |= 0x10;
- }
} else {
outb(chan_register, dev->iobase + PCL711_MUX);
}
@@ -256,15 +255,13 @@ static int pcl711_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s,
for (n = 0; n < insn->n; n++) {
/*
- * Write the correct mode (software polling) and start polling by writing
- * to the trigger register
+ * Write the correct mode (software polling) and start polling
+ * by writing to the trigger register
*/
outb(1, dev->iobase + PCL711_MODE);
- if (this_board->is_8112) {
- } else {
+ if (!this_board->is_8112)
outb(0, dev->iobase + PCL711_SOFTTRIG);
- }
i = PCL711_TIMEOUT;
while (--i) {
@@ -462,9 +459,8 @@ static int pcl711_ao_insn_read(struct comedi_device *dev,
int n;
int chan = CR_CHAN(insn->chanspec);
- for (n = 0; n < insn->n; n++) {
+ for (n = 0; n < insn->n; n++)
data[n] = devpriv->ao_readback[chan];
- }
return n;
@@ -619,9 +615,8 @@ static int pcl711_attach(struct comedi_device *dev, struct comedi_devconfig *it)
this is the "base value" for the mode register, which is
used for the irq on the PCL711
*/
- if (this_board->is_pcl711b) {
+ if (this_board->is_pcl711b)
devpriv->mode = (dev->irq << 4);
- }
/* clear DAC */
outb(0, dev->iobase + PCL711_DA0_LO);