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

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>

diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 143f6320262137aac4d8a0d15e89f4c3f51e3cdb..5f6b1b3c0bdbae58d78aadd55d7e075d3e6c7a18 100644 (file)
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -207,7 +207,6 @@ struct usbdux_private {
 
        unsigned int high_speed:1;
        unsigned int ai_cmd_running:1;
-       unsigned int ai_continous:1;
        unsigned int ao_cmd_running:1;
        unsigned int ao_continous:1;
        unsigned int pwm_cmd_running:1;
@@ -266,6 +265,7 @@ static void usbduxsub_ai_isoc_irq(struct urb *urb)
        struct comedi_device *dev = urb->context;
        struct comedi_subdevice *s = dev->read_subdev;
        struct usbdux_private *devpriv = dev->private;
+       struct comedi_cmd *cmd = &s->async->cmd;
        int i, err, n;
 
        /* first we test if something unusual has just happened */
@@ -349,7 +349,7 @@ static void usbduxsub_ai_isoc_irq(struct urb *urb)
        devpriv->ai_counter = devpriv->ai_timer;
 
        /* test, if we transmit only a fixed number of samples */
-       if (!devpriv->ai_continous) {
+       if (cmd->stop_src == TRIG_COUNT) {
                /* not continuous, fixed number of samples */
                devpriv->ai_sample_count--;
                /* all samples received? */
@@ -778,10 +778,8 @@ static int usbdux_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
        if (cmd->stop_src == TRIG_COUNT) {
                /* data arrives as one packet */
                devpriv->ai_sample_count = cmd->stop_arg;
-               devpriv->ai_continous = 0;
        } else {
                /* continous acquisition */
-               devpriv->ai_continous = 1;
                devpriv->ai_sample_count = 0;
        }