From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 20 Jun 2014 20:12:43 +0000 (-0700)
Subject: staging: comedi: dt282x: convert private data flags to bit-fields
X-Git-Tag: firefly_0821_release~176^2~3491^2~1542
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=30dadbd208a480bb1ca919e395602adaafdbc449;p=firefly-linux-kernel-4.4.55.git

staging: comedi: dt282x: convert private data flags to bit-fields

Convert the '2scomp' flags in the private data into bit-fields to save
a bit of space.

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/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c
index 3276c0738573..2e1c615c8105 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -320,9 +320,9 @@ static const struct dt282x_board boardtypes[] = {
 };
 
 struct dt282x_private {
-	int ad_2scomp;		/* we have 2's comp jumper set  */
-	int da0_2scomp;		/* same, for DAC0               */
-	int da1_2scomp;		/* same, for DAC1               */
+	unsigned int ad_2scomp:1;
+	unsigned int da0_2scomp:1;
+	unsigned int da1_2scomp:1;
 
 	const struct comedi_lrange *darangelist[2];
 
@@ -1270,7 +1270,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->maxdata = board->ai_maxdata;
 	s->range_table =
 	    opt_ai_range_lkup(board->ispgl, it->options[opt_ai_range]);
-	devpriv->ad_2scomp = it->options[opt_ai_twos];
+	devpriv->ad_2scomp = it->options[opt_ai_twos] ? 1 : 0;
 	if (dev->irq) {
 		dev->read_subdev = s;
 		s->subdev_flags |= SDF_CMD_READ;
@@ -1295,8 +1295,8 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		    opt_ao_range_lkup(it->options[opt_ao0_range]);
 		devpriv->darangelist[1] =
 		    opt_ao_range_lkup(it->options[opt_ao1_range]);
-		devpriv->da0_2scomp = it->options[opt_ao0_twos];
-		devpriv->da1_2scomp = it->options[opt_ao1_twos];
+		devpriv->da0_2scomp = it->options[opt_ao0_twos] ? 1 : 0;
+		devpriv->da1_2scomp = it->options[opt_ao1_twos] ? 1 : 0;
 		if (dev->irq) {
 			dev->write_subdev = s;
 			s->subdev_flags |= SDF_CMD_WRITE;