Commit a444abfc authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman

staging: comedi: ni_labpc_common: tidy up block comments

Fix the checkpatch.pl issues:
WARNING: Block comments use a trailing */ on a separate line
Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 447785c6
......@@ -84,8 +84,10 @@ static const struct comedi_lrange range_labpc_ao = {
}
};
/* functions that do inb/outb and readb/writeb so we can use
* function pointers to decide which to use */
/*
* functions that do inb/outb and readb/writeb so we can use
* function pointers to decide which to use
*/
static unsigned int labpc_inb(struct comedi_device *dev, unsigned long reg)
{
return inb(dev->iobase + reg);
......@@ -656,19 +658,24 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* figure out what method we will use to transfer data */
if (devpriv->dma &&
/* dma unsafe at RT priority,
* and too much setup time for CMDF_WAKE_EOS */
(cmd->flags & (CMDF_WAKE_EOS | CMDF_PRIORITY)) == 0)
(cmd->flags & (CMDF_WAKE_EOS | CMDF_PRIORITY)) == 0) {
/*
* dma unsafe at RT priority,
* and too much setup time for CMDF_WAKE_EOS
*/
xfer = isa_dma_transfer;
else if (/* pc-plus has no fifo-half full interrupt */
board->is_labpc1200 &&
/* wake-end-of-scan should interrupt on fifo not empty */
(cmd->flags & CMDF_WAKE_EOS) == 0 &&
/* make sure we are taking more than just a few points */
(cmd->stop_src != TRIG_COUNT || devpriv->count > 256))
} else if (board->is_labpc1200 &&
(cmd->flags & CMDF_WAKE_EOS) == 0 &&
(cmd->stop_src != TRIG_COUNT || devpriv->count > 256)) {
/*
* pc-plus has no fifo-half full interrupt
* wake-end-of-scan should interrupt on fifo not empty
* make sure we are taking more than just a few points
*/
xfer = fifo_half_full_transfer;
else
} else {
xfer = fifo_not_empty_transfer;
}
devpriv->current_transfer = xfer;
labpc_ai_set_chan_and_gain(dev, mode, chan, range, aref);
......@@ -679,9 +686,11 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* manual says to set scan enable bit on second pass */
if (mode == MODE_MULT_CHAN_UP || mode == MODE_MULT_CHAN_DOWN) {
devpriv->cmd1 |= CMD1_SCANEN;
/* need a brief delay before enabling scan, or scan
* list will get screwed when you switch
* between scan up to scan down mode - dunno why */
/*
* Need a brief delay before enabling scan, or scan
* list will get screwed when you switch between
* scan up to scan down mode - dunno why.
*/
udelay(1);
devpriv->write_byte(dev, devpriv->cmd1, CMD1_REG);
}
......@@ -728,8 +737,10 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
devpriv->cmd4 = 0;
if (cmd->convert_src != TRIG_EXT)
devpriv->cmd4 |= CMD4_ECLKRCV;
/* XXX should discard first scan when using interval scanning
* since manual says it is not synced with scan clock */
/*
* XXX should discard first scan when using interval scanning
* since manual says it is not synced with scan clock.
*/
if (!labpc_use_continuous_mode(cmd, mode)) {
devpriv->cmd4 |= CMD4_INTSCAN;
if (cmd->scan_begin_src == TRIG_EXT)
......@@ -795,8 +806,10 @@ static int labpc_drain_fifo(struct comedi_device *dev)
return 0;
}
/* makes sure all data acquired by board is transferred to comedi (used
* when acquisition is terminated by stop_src == TRIG_EXT). */
/*
* Makes sure all data acquired by board is transferred to comedi (used
* when acquisition is terminated by stop_src == TRIG_EXT).
*/
static void labpc_drain_dregs(struct comedi_device *dev)
{
struct labpc_private *devpriv = dev->private;
......@@ -907,9 +920,11 @@ static int labpc_ao_insn_write(struct comedi_device *dev,
channel = CR_CHAN(insn->chanspec);
/* turn off pacing of analog output channel */
/* note: hardware bug in daqcard-1200 means pacing cannot
* be independently enabled/disabled for its the two channels */
/*
* Turn off pacing of analog output channel.
* NOTE: hardware bug in daqcard-1200 means pacing cannot
* be independently enabled/disabled for its the two channels.
*/
spin_lock_irqsave(&dev->spinlock, flags);
devpriv->cmd2 &= ~CMD2_LDAC(channel);
devpriv->write_byte(dev, devpriv->cmd2, CMD2_REG);
......
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