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staging: comedi: das16m1: tidy up das16m1_di_insn_bits()

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The (*insn_bits) for a digital input subdevice only needs to return the
state of the inputs in data[1]. Remove the cruft.

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>
This commit is contained in:
H Hartley Sweeten
2016-05-03 12:29:54 -07:00
committed by Greg Kroah-Hartman
parent fdb68f9abd
commit 8500b75c1d
1 changed files with 1 additions and 5 deletions
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6
drivers/staging/comedi/drivers/das16m1.c
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@@ -352,11 +352,7 @@ static int das16m1_di_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int bits;
bits = inb(dev->iobase + DAS16M1_DI_REG) & 0xf;
data[1] = bits;
data[0] = 0;
data[1] = inb(dev->iobase + DAS16M1_DI_REG) & 0xf;
return insn->n;
}