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staging: comedi: das16m1: tidy up comments in das16m1_handler() 

Fix the checkpatch.pl issue:
WARNING: Block comments use a trailing */ on a separate line

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2016-05-03 12:29:40 -07:00 committed by Greg Kroah-Hartman
parent 7e573494b8
commit 27eeef415d
1 changed files with 12 additions and 6 deletions
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18
drivers/staging/comedi/drivers/das16m1.c
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@ -405,20 +405,24 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
/* 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 */
@ -441,8 +445,10 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
}
}
/* 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");