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staging: comedi: usbdux: remove 'ao_continuous' from private data

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

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 2014-05-27 10:30:38 -07:00 committed by Greg Kroah-Hartman
parent 40642e9585
commit c8f3174a90
1 changed files with 2 additions and 4 deletions
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6
drivers/staging/comedi/drivers/usbdux.c
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@ -208,7 +208,6 @@ struct usbdux_private {
unsigned int high_speed:1;
unsigned int ai_cmd_running:1;
unsigned int ao_cmd_running:1;
unsigned int ao_continous:1;
unsigned int pwm_cmd_running:1;
/* number of samples to acquire */
@ -414,6 +413,7 @@ static void usbduxsub_ao_isoc_irq(struct urb *urb)
struct comedi_device *dev = urb->context;
struct comedi_subdevice *s = dev->write_subdev;
struct usbdux_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
uint8_t *datap;
int len;
int ret;
@ -463,7 +463,7 @@ static void usbduxsub_ao_isoc_irq(struct urb *urb)
devpriv->ao_counter = devpriv->ao_timer;
/* handle non continous acquisition */
if (!devpriv->ao_continous) {
if (cmd->stop_src == TRIG_COUNT) {
/* fixed number of samples */
devpriv->ao_sample_count--;
if (devpriv->ao_sample_count < 0) {
@ -1074,10 +1074,8 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
/* data arrives as one packet */
devpriv->ao_sample_count = cmd->stop_arg;
}
devpriv->ao_continous = 0;
} else {
/* continous acquisition */
devpriv->ao_continous = 1;
devpriv->ao_sample_count = 0;
}