From 9af39b31b57965f2b1f8b2bfdd8f313b485a87ff Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Tue, 27 May 2014 10:30:48 -0700
Subject: [PATCH] staging: comedi: amplc_pci224: use comedi_cmd pointer
Use the local variable to access the comedi_cmd as a pointer in
pci224_ao_munge() instead of getting to it from the comedi_async
pointer.
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>
---
drivers/staging/comedi/drivers/amplc_pci224.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index e8beeab7a78b3..44904fd87b27b 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -987,7 +987,7 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
{
const struct pci224_board *thisboard = comedi_board(dev);
struct pci224_private *devpriv = dev->private;
- struct comedi_async *async = s->async;
+ struct comedi_cmd *cmd = &s->async->cmd;
unsigned short *array = data;
unsigned int length = num_bytes / sizeof(*array);
unsigned int offset;
@@ -997,7 +997,7 @@ pci224_ao_munge(struct comedi_device *dev, struct comedi_subdevice *s,
/* The hardware expects 16-bit numbers. */
shift = 16 - thisboard->ao_bits;
/* Channels will be all bipolar or all unipolar. */
- if ((devpriv->hwrange[CR_RANGE(async->cmd.chanlist[0])] &
+ if ((devpriv->hwrange[CR_RANGE(cmd->chanlist[0])] &
PCI224_DACCON_POLAR_MASK) == PCI224_DACCON_POLAR_UNI) {
/* Unipolar */
offset = 0;
--
2.30.2