Commit 42e21c97 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4acaec1c

drivers/staging/comedi/drivers/pcl818.c

+1 −1
Original line number Diff line number Diff line
@@ -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--;