[PATCH v2 03/15] staging: comedi: comedi_parport: tidy up parport_insn_a()
H Hartley Sweeten
hsweeten at visionengravers.com
Fri Aug 30 18:45:02 UTC 2013
Rename this function to better describe it's use.
Use comedi_dio_update_state() to handle the boilerplate code to update
the subdevice s->state.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Reviewed-by: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/comedi_parport.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/comedi_parport.c b/drivers/staging/comedi/drivers/comedi_parport.c
index 5565a99..fc73434 100644
--- a/drivers/staging/comedi/drivers/comedi_parport.c
+++ b/drivers/staging/comedi/drivers/comedi_parport.c
@@ -96,15 +96,13 @@ struct parport_private {
int enable_irq;
};
-static int parport_insn_a(struct comedi_device *dev, struct comedi_subdevice *s,
- struct comedi_insn *insn, unsigned int *data)
+static int parport_data_reg_insn_bits(struct comedi_device *dev,
+ struct comedi_subdevice *s,
+ struct comedi_insn *insn,
+ unsigned int *data)
{
- if (data[0]) {
- s->state &= ~data[0];
- s->state |= (data[0] & data[1]);
-
+ if (comedi_dio_update_state(s, data))
outb(s->state, dev->iobase + PARPORT_DATA_REG);
- }
data[1] = inb(dev->iobase + PARPORT_DATA_REG);
@@ -289,7 +287,7 @@ static int parport_attach(struct comedi_device *dev,
s->n_chan = 8;
s->maxdata = 1;
s->range_table = &range_digital;
- s->insn_bits = parport_insn_a;
+ s->insn_bits = parport_data_reg_insn_bits;
s->insn_config = parport_insn_config_a;
s = &dev->subdevices[1];
--
1.8.3.2
More information about the devel
mailing list