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staging: comedi: pcl816: 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>
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@ -164,7 +164,7 @@ static void pcl816_ai_setup_dma(struct comedi_device *dev,
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bytes = devpriv->hwdmasize;
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if (cmd->stop_src == TRIG_COUNT) {
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/* how many */
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bytes = cmd->stop_arg * cmd->chanlist_len * sizeof(short);
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bytes = cmd->stop_arg * cfc_bytes_per_scan(s);
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/* how many DMA pages we must fill */
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devpriv->dma_runs_to_end = bytes / devpriv->hwdmasize;
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