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staging: comedi: addi_apci_3xxx: use comedi_dio_update_state()

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The extra mask used to only update the channels configured as outputs is
not necessary in this driver. Remove it and use comedi_dio_update_state()
to handle the boilerplate code to update the subdevice s->state.

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 2013-08-30 11:09:44 -07:00 • committed by Greg Kroah-Hartman
commit ca5d4a20fb
1 changed files with 2 additions and 7 deletions
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9
drivers/staging/comedi/drivers/addi_apci_3xxx.c
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@ -711,16 +711,11 @@ static int apci3xxx_dio_insn_bits(struct comedi_device *dev,
struct comedi_insn *insn,
unsigned int *data)
{
unsigned int mask = data[0];
unsigned int bits = data[1];
unsigned int mask;
unsigned int val;
/* only update output channels */
mask &= s->io_bits;
mask = comedi_dio_update_state(s, data);
if (mask) {
s->state &= ~mask;
s->state |= (bits & mask);
if (mask & 0xff)
outl(s->state & 0xff, dev->iobase + 80);
if (mask & 0xff0000)