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/pcl812.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 3338e5d..4c1b947 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -557,10 +557,8 @@ static void pcl812_ai_setup_dma(struct comedi_device *dev,
/* we use EOS, so adapt DMA buffer to one scan */
if (devpriv->ai_eos) {
- devpriv->dmabytestomove[0] =
- cmd->chanlist_len * sizeof(short);
- devpriv->dmabytestomove[1] =
- cmd->chanlist_len * sizeof(short);
+ devpriv->dmabytestomove[0] = cfc_bytes_per_scan(s);
+ devpriv->dmabytestomove[1] = cfc_bytes_per_scan(s);
devpriv->dma_runs_to_end = 1;
} else {
devpriv->dmabytestomove[0] = devpriv->hwdmasize;
@@ -575,8 +573,7 @@ static void pcl812_ai_setup_dma(struct comedi_device *dev,
devpriv->dma_runs_to_end = 1;
} else {
/* how many samples we must transfer? */
- bytes = cmd->chanlist_len *
- cmd->stop_arg * sizeof(short);
+ bytes = cmd->stop_arg * cfc_bytes_per_scan(s);
/* how many DMA pages we must fill */
devpriv->dma_runs_to_end =
--
1.9.2
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