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staging: comedi: pcl816: use cfc_bytes_per_scan()

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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 10:31:11 -07:00 committed by Greg Kroah-Hartman
parent 897d21b9ac
commit 4acaec1cfa
1 changed files with 1 additions and 1 deletions
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drivers/staging/comedi/drivers/pcl816.c
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@ -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;