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authorH Hartley Sweeten <hsweeten@visionengravers.com>2013-04-22 18:36:45 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-23 10:41:51 -0700
commite245b6d12691c1e178a6a075ac3cd1b7cd0d2e0e (patch)
tree4848e7dcb2abd71ca1f251ad28f8634dc4421221 /drivers/staging
parent26234771c1a53b0a3bf69c161d79cd37c77ebd1a (diff)
staging: comedi: das800: tidy up das800_di_insn_bits()
For digital input subdevices, the (*insn_bits) function simply needs to return the status of the input channels in data[1]. 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>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/comedi/drivers/das800.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index 4f6698dc76d..cc4202eb395 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -632,12 +632,7 @@ static int das800_di_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
- unsigned int bits;
-
- bits = inb(dev->iobase + DAS800_STATUS) >> 4;
- bits &= 0x7;
- data[1] = bits;
- data[0] = 0;
+ data[1] = (inb(dev->iobase + DAS800_STATUS) >> 4) & 0x7;
return insn->n;
}