Use the comedi_fc helper to get the number of bytes per scan.
Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
drivers/staging/comedi/drivers/pcl818.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/pcl818.c
b/drivers/staging/comedi/drivers/pcl818.c
index 48b81c3..7d00ae6 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -353,7 +353,7 @@ static void pcl818_ai_setup_dma(struct comedi_device *dev,
disable_dma(devpriv->dma); /* disable dma */
bytes = devpriv->hwdmasize;
if (cmd->stop_src == TRIG_COUNT) {
- bytes = cmd->chanlist_len * cmd->stop_arg * sizeof(short);
+ bytes = cmd->stop_arg * cfc_bytes_per_scan(s);
devpriv->dma_runs_to_end = bytes / devpriv->hwdmasize;
devpriv->last_dma_run = bytes % devpriv->hwdmasize;
devpriv->dma_runs_to_end--;
--
1.9.2
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