staging: comedi: s626: remove 'ai_continuous' from private data

This member of the private data is set based on the cmd->stop_src. Just use the
cmd->stop_src directly and remove the member.
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>

drivers/staging/comedi/drivers/s626.c

@@ -78,7 +78,6 @@ struct s626_buffer_dma {
 
 struct s626_private {
 	uint8_t ai_cmd_running;		/* ai_cmd is running */
-	uint8_t ai_continuous;		/* continuous acquisition */
 	int ai_sample_count;		/* number of samples to acquire */
 	unsigned int ai_sample_timer;	/* time between samples in
 					 * units of the timer */
@@ -1502,7 +1501,7 @@ static bool s626_handle_eos_interrupt(struct comedi_device *dev)
 	/* end of scan occurs */
 	async->events |= COMEDI_CB_EOS;
 
-	if (!devpriv->ai_continuous)
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ai_sample_count--;
 	if (devpriv->ai_sample_count <= 0) {
 		devpriv->ai_cmd_running = 0;
@@ -2106,11 +2105,9 @@ static int s626_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	case TRIG_COUNT:
 		/* data arrives as one packet */
 		devpriv->ai_sample_count = cmd->stop_arg;
-		devpriv->ai_continuous = 0;
 		break;
 	case TRIG_NONE:
 		/* continuous acquisition */
-		devpriv->ai_continuous = 1;
 		devpriv->ai_sample_count = 1;
 		break;
 	}