Commit 2084fd19 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: adl_pci9111: cleanup pci9111_ao_insn_write() 



Remove the unnecessary comment.

Only the last data value written needs to be cached for
readback.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6b7044dc

drivers/staging/comedi/drivers/adl_pci9111.c

+9 −9
Original line number Diff line number Diff line
@@ -1035,22 +1035,22 @@ static int pci9111_ai_insn_read(struct comedi_device *dev, 
	return i;

}



/*  Analog instant output */



static int

pci9111_ao_insn_write(struct comedi_device *dev,

		      struct comedi_subdevice *s, struct comedi_insn *insn,

static int pci9111_ao_insn_write(struct comedi_device *dev,

				 struct comedi_subdevice *s,

				 struct comedi_insn *insn,

				 unsigned int *data)

{

	struct pci9111_private_data *dev_private = dev->private;

	unsigned int val = 0;

	int i;



	for (i = 0; i < insn->n; i++) {

		outw(data[i], dev->iobase + PCI9111_AO_REG);

		dev_private->ao_readback = data[i];

		val = data[i];

		outw(val, dev->iobase + PCI9111_AO_REG);

	}

	dev_private->ao_readback = val;



	return i;

	return insn->n;

}



static int pci9111_ao_insn_read(struct comedi_device *dev,