/* figure out how many samples are in fifo */
hw_counter = comedi_8254_read(devpriv->counter, 1);
- /* make sure hardware counter reading is not bogus due to initial value
- * not having been loaded yet */
+ /*
+ * Make sure hardware counter reading is not bogus due to initial
+ * value not having been loaded yet.
+ */
if (devpriv->adc_count == 0 &&
hw_counter == devpriv->initial_hw_count) {
num_samples = 0;
} else {
- /* The calculation of num_samples looks odd, but it uses the
+ /*
+ * The calculation of num_samples looks odd, but it uses the
* following facts. 16 bit hardware counter is initialized with
* value of zero (which really means 0x1000). The counter
* decrements by one on each conversion (when the counter
* decrements from zero it goes to 0xffff). num_samples is a
* 16 bit variable, so it will roll over in a similar fashion
* to the hardware counter. Work it out, and this is what you
- * get. */
+ * get.
+ */
num_samples = -hw_counter - devpriv->adc_count;
}
/* check if we only need some of the points */
}
}
- /* this probably won't catch overruns since the card doesn't generate
- * overrun interrupts, but we might as well try */
+ /*
+ * This probably won't catch overruns since the card doesn't generate
+ * overrun interrupts, but we might as well try.
+ */
if (status & OVRUN) {
async->events |= COMEDI_CB_ERROR;
dev_err(dev->class_dev, "fifo overflow\n");