Use the comedi_fc helper to get the number of bytes per scan.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/pcl816.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index 9c1b963..d9ca7fe 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -164,7 +164,7 @@ static void pcl816_ai_setup_dma(struct comedi_device *dev,
bytes = devpriv->hwdmasize;
if (cmd->stop_src == TRIG_COUNT) {
/* how many */
- bytes = cmd->stop_arg * cmd->chanlist_len * sizeof(short);
+ bytes = cmd->stop_arg * cfc_bytes_per_scan(s);
/* how many DMA pages we must fill */
devpriv->dma_runs_to_end = bytes / devpriv->hwdmasize;
--
1.9.2
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