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staging: comedi: pcl812: use cfc_bytes_per_scan() 

Use the comedi_fc helper to get the number of bytes per scan.

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>
This commit is contained in:
H Hartley Sweeten 2014-05-27 10:31:10 -07:00 committed by Greg Kroah-Hartman
parent 4bc030446f
commit 897d21b9ac
1 changed files with 3 additions and 6 deletions
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9
drivers/staging/comedi/drivers/pcl812.c
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@ -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 =