Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 259719
b: refs/heads/master
c: a142785
h: refs/heads/master
i:
  259717: aa25cd8
  259715: f7f2c5d
  259711: 4888685
v: v3
  • Loading branch information
Matthew Skolaut authored and Greg Kroah-Hartman committed Jul 5, 2011
1 parent 24f8924 commit a3ab651
Show file tree
Hide file tree
Showing 2 changed files with 12 additions and 17 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ee4d07d8e1c72043299ac4118fbdee0ad883e966
refs/heads/master: a142785d7c9dd572a5dd963f7142174901465006
27 changes: 11 additions & 16 deletions trunk/drivers/staging/comedi/drivers/das1800.c
Original file line number Diff line number Diff line change
Expand Up @@ -199,7 +199,7 @@ static void das1800_flush_dma(struct comedi_device *dev,
struct comedi_subdevice *s);
static void das1800_flush_dma_channel(struct comedi_device *dev,
struct comedi_subdevice *s,
unsigned int channel, uint16_t * buffer);
unsigned int channel, uint16_t *buffer);
static void das1800_handle_fifo_half_full(struct comedi_device *dev,
struct comedi_subdevice *s);
static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
Expand Down Expand Up @@ -1051,17 +1051,16 @@ static void munge_data(struct comedi_device *dev, uint16_t * array,

/* convert to unsigned type if we are in a bipolar mode */
if (!unipolar) {
for (i = 0; i < num_elements; i++) {
for (i = 0; i < num_elements; i++)
array[i] = munge_bipolar_sample(dev, array[i]);
}
}
}

/* Utility function used by das1800_flush_dma() and das1800_handle_dma().
* Assumes dma lock is held */
static void das1800_flush_dma_channel(struct comedi_device *dev,
struct comedi_subdevice *s,
unsigned int channel, uint16_t * buffer)
unsigned int channel, uint16_t *buffer)
{
unsigned int num_bytes, num_samples;
struct comedi_cmd *cmd = &s->async->cmd;
Expand Down Expand Up @@ -1154,7 +1153,8 @@ static void das1800_handle_fifo_not_empty(struct comedi_device *dev,
break;
dpnt = inw(dev->iobase + DAS1800_FIFO);
/* convert to unsigned type if we are in a bipolar mode */
if (!unipolar) ;
if (!unipolar)
;
dpnt = munge_bipolar_sample(dev, dpnt);
cfc_write_to_buffer(s, dpnt);
if (cmd->stop_src == TRIG_COUNT)
Expand Down Expand Up @@ -1365,9 +1365,8 @@ static int control_a_bits(struct comedi_cmd cmd)
int control_a;

control_a = FFEN; /* enable fifo */
if (cmd.stop_src == TRIG_EXT) {
if (cmd.stop_src == TRIG_EXT)
control_a |= ATEN;
}
switch (cmd.start_src) {
case TRIG_EXT:
control_a |= TGEN | CGSL;
Expand Down Expand Up @@ -1444,9 +1443,8 @@ static int setup_counters(struct comedi_device *dev, struct comedi_cmd cmd)
&(cmd.convert_arg),
cmd.
flags & TRIG_ROUND_MASK);
if (das1800_set_frequency(dev) < 0) {
if (das1800_set_frequency(dev) < 0)
return -1;
}
}
break;
case TRIG_TIMER: /* in burst mode */
Expand All @@ -1455,9 +1453,8 @@ static int setup_counters(struct comedi_device *dev, struct comedi_cmd cmd)
&(devpriv->divisor2),
&(cmd.scan_begin_arg),
cmd.flags & TRIG_ROUND_MASK);
if (das1800_set_frequency(dev) < 0) {
if (das1800_set_frequency(dev) < 0)
return -1;
}
break;
default:
break;
Expand Down Expand Up @@ -1554,11 +1551,10 @@ static int das1800_ai_do_cmd(struct comedi_device *dev,

/* disable dma on TRIG_WAKE_EOS, or TRIG_RT
* (because dma in handler is unsafe at hard real-time priority) */
if (cmd.flags & (TRIG_WAKE_EOS | TRIG_RT)) {
if (cmd.flags & (TRIG_WAKE_EOS | TRIG_RT))
devpriv->irq_dma_bits &= ~DMA_ENABLED;
} else {
else
devpriv->irq_dma_bits |= devpriv->dma_bits;
}
/* interrupt on end of conversion for TRIG_WAKE_EOS */
if (cmd.flags & TRIG_WAKE_EOS) {
/* interrupt fifo not empty */
Expand All @@ -1568,9 +1564,8 @@ static int das1800_ai_do_cmd(struct comedi_device *dev,
devpriv->irq_dma_bits |= FIMD;
}
/* determine how many conversions we need */
if (cmd.stop_src == TRIG_COUNT) {
if (cmd.stop_src == TRIG_COUNT)
devpriv->count = cmd.stop_arg * cmd.chanlist_len;
}

das1800_cancel(dev, s);

Expand Down

0 comments on commit a3ab651

Please sign in to comment.