From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 27 May 2014 17:31:11 +0000 (-0700)
Subject: staging: comedi: pcl816: use cfc_bytes_per_scan()
X-Git-Tag: next-20140530~19^2~26
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4acaec1cfa57fb44ede0fea52f242bd4a9a1422d;p=karo-tx-linux.git

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>
---

diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index 9c1b963a0bed..d9ca7fe16c96 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -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;