Remove the private data member 'ai_act_scan' and use the comedi_async
'scans_done' member to detect the end-of-acquisition.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/pcl812.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcl812.c
b/drivers/staging/comedi/drivers/pcl812.c
index b13e9fb..c3499aa 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -512,7 +512,6 @@ struct pcl812_private {
unsigned int last_ai_chanspec;
unsigned char mode_reg_int; /* there is stored INT number for some
card */
unsigned int ai_poll_ptr; /* how many sampes transfer poll */
- unsigned int ai_act_scan; /* how many scans we finished */
unsigned int dmapages;
unsigned int hwdmasize;
unsigned long dmabuf[2]; /* PTR to DMA buf */
@@ -807,7 +806,6 @@ static int pcl812_ai_cmd(struct comedi_device *dev, struct
comedi_subdevice *s)
devpriv->ai_dma = 0;
}
- devpriv->ai_act_scan = 0;
devpriv->ai_poll_ptr = 0;
/* don't we want wake up every scan? */
@@ -840,15 +838,10 @@ static int pcl812_ai_cmd(struct comedi_device *dev,
struct comedi_subdevice *s)
static bool pcl812_ai_next_chan(struct comedi_device *dev,
struct comedi_subdevice *s)
{
- struct pcl812_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
- if (s->async->cur_chan == 0)
- devpriv->ai_act_scan++;
-
if (cmd->stop_src == TRIG_COUNT &&
- devpriv->ai_act_scan >= cmd->stop_arg) {
- /* all data sampled */
+ s->async->scans_done >= cmd->stop_arg) {
s->async->events |= COMEDI_CB_EOA;
return false;
}
--
2.0.3
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