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staging: comedi: pcl818: 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 10:31:12 -07:00 committed by Greg Kroah-Hartman
parent 4acaec1cfa
commit 42e21c9743
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/comedi/drivers/pcl818.c
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@ -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--;