diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2012-09-11 02:00:46 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-11 03:05:56 (GMT) |
| commit | ae479ee562cf3d7d33eebbb30e6c3105475ed5b8 (patch) | |
| tree | c416fa412ce95bd42119fe40a6ed7a9516c9aa3a /drivers | |
| parent | 9852d13745bef4158e152c3b00f0678ca1b5ccb7 (diff) | |
| download | linux-ae479ee562cf3d7d33eebbb30e6c3105475ed5b8.tar.xz | |
staging: comedi: adl_pci9111: use local variables for the chan/range
Simplify the chan/range in pci9111_ai_insn_read() by using local
variables for hold the values and by just passing insn->chanspec
to the CR_* macros instead of using (&insn->chanspec)[0].
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/adl_pci9111.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/adl_pci9111.c b/drivers/staging/comedi/drivers/adl_pci9111.c index 6d20e59..0103e44 100644 --- a/drivers/staging/comedi/drivers/adl_pci9111.c +++ b/drivers/staging/comedi/drivers/adl_pci9111.c @@ -855,16 +855,18 @@ static int pci9111_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + unsigned int chan = CR_CHAN(insn->chanspec); + unsigned int range = CR_RANGE(insn->chanspec); unsigned int maxdata = s->maxdata; unsigned int invert = (maxdata + 1) >> 1; unsigned int shift = (maxdata == 0xffff) ? 0 : 4; int timeout; int i; - pci9111_ai_channel_set(CR_CHAN((&insn->chanspec)[0])); + pci9111_ai_channel_set(chan); - if ((pci9111_ai_range_get()) != CR_RANGE((&insn->chanspec)[0])) - pci9111_ai_range_set(CR_RANGE((&insn->chanspec)[0])); + if ((pci9111_ai_range_get()) != range) + pci9111_ai_range_set(range); pci9111_fifo_reset(); |