Use the subdevice 'state' to hold the digital output state instead
of carrying it in the private data.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/adq12b.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adq12b.c
b/drivers/staging/comedi/drivers/adq12b.c
index cdf5ba2..054bed3 100644
--- a/drivers/staging/comedi/drivers/adq12b.c
+++ b/drivers/staging/comedi/drivers/adq12b.c
@@ -119,7 +119,6 @@ struct adq12b_private {
int differential; /* option 3 of comedi_config */
int last_channel;
int last_range;
- unsigned int digital_state;
};
/*
@@ -188,7 +187,6 @@ static int adq12b_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
- struct adq12b_private *devpriv = dev->private;
int channel;
for (channel = 0; channel < 8; channel++)
@@ -198,11 +196,11 @@ static int adq12b_do_insn_bits(struct comedi_device *dev,
/* store information to retrieve when asked for reading */
if (data[0]) {
- devpriv->digital_state &= ~data[0];
- devpriv->digital_state |= (data[0] & data[1]);
+ s->state &= ~data[0];
+ s->state |= (data[0] & data[1]);
}
- data[1] = devpriv->digital_state;
+ data[1] = s->state;
return insn->n;
}
@@ -223,7 +221,6 @@ static int adq12b_attach(struct comedi_device *dev, struct
comedi_devconfig *it)
devpriv->unipolar = it->options[1];
devpriv->differential = it->options[2];
- devpriv->digital_state = 0;
/*
* initialize channel and range to -1 so we make sure we
* always write at least once to the CTREG in the instruction
--
1.8.3.2
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