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staging: comedi: amplc_dio200_common: remove 'continuous' from subdevice private data 

This member of the subdevice private data can be determined from the
cmd->stop_src. Do that instead.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2014-05-06 10:55:23 -07:00 committed by Greg Kroah-Hartman
parent cae5c9fb97
commit 22a270483d
1 changed files with 5 additions and 13 deletions
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18
drivers/staging/comedi/drivers/amplc_dio200_common.c
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@ -130,7 +130,6 @@ struct dio200_subdev_intr {
unsigned int enabled_isns;
unsigned int stopcount;
bool active:1;
bool continuous:1;
};
static inline const struct dio200_layout *
@ -259,7 +258,7 @@ static int dio200_start_intr(struct comedi_device *dev,
struct comedi_cmd *cmd = &s->async->cmd;
int retval = 0;
if (!subpriv->continuous && subpriv->stopcount == 0) {
if (cmd->stop_src == TRIG_COUNT && subpriv->stopcount == 0) {
/* An empty acquisition! */
s->async->events |= COMEDI_CB_EOA;
subpriv->active = false;
@ -311,6 +310,7 @@ static void dio200_read_scan_intr(struct comedi_device *dev,
unsigned int triggered)
{
struct dio200_subdev_intr *subpriv = s->private;
struct comedi_cmd *cmd = &s->async->cmd;
unsigned short val;
unsigned int n, ch, len;
@ -332,8 +332,7 @@ static void dio200_read_scan_intr(struct comedi_device *dev,
}
/* Check for end of acquisition. */
if (!subpriv->continuous) {
/* stop_src == TRIG_COUNT */
if (cmd->stop_src == TRIG_COUNT) {
if (subpriv->stopcount > 0) {
subpriv->stopcount--;
if (subpriv->stopcount == 0) {
@ -512,17 +511,10 @@ static int dio200_subdev_intr_cmd(struct comedi_device *dev,
subpriv->active = true;
/* Set up end of acquisition. */
switch (cmd->stop_src) {
case TRIG_COUNT:
subpriv->continuous = false;
if (cmd->stop_src == TRIG_COUNT)
subpriv->stopcount = cmd->stop_arg;
break;
default:
/* TRIG_NONE */
subpriv->continuous = true;
else /* TRIG_NONE */
subpriv->stopcount = 0;
break;
}
if (cmd->start_src == TRIG_INT)
s->async->inttrig = dio200_inttrig_start_intr;