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path: root/drivers/staging/comedi/drivers/das1800.c
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Diffstat (limited to 'drivers/staging/comedi/drivers/das1800.c')
-rw-r--r--drivers/staging/comedi/drivers/das1800.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 60c2b12..a6df30b 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -102,6 +102,7 @@ TODO:
#include <linux/interrupt.h>
#include <linux/slab.h>
+#include <linux/io.h>
#include "../comedidev.h"
#include <linux/ioport.h>
@@ -198,7 +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,
@@ -1050,9 +1051,8 @@ 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]);
- }
}
}
@@ -1060,7 +1060,7 @@ static void munge_data(struct comedi_device *dev, uint16_t * array,
* 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;
@@ -1153,7 +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)
@@ -1364,9 +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;
@@ -1443,9 +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 */
@@ -1454,9 +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;
@@ -1553,11 +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 */
@@ -1567,9 +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);