staging: comedi: s626: cleanup s626_dio_insn_bits()

	}

}

/* DIO devices are slightly special.  Although it is possible to

 * implement the insn_read/insn_write interface, it is much more

 * useful to applications if you implement the insn_bits interface.

 * This allows packed reading/writing of the DIO channels.  The comedi

 * core can convert between insn_bits and insn_read/write */

static int s626_dio_insn_bits(struct comedi_device *dev,

			      struct comedi_subdevice *s,

			      struct comedi_insn *insn, unsigned int *data)

			      struct comedi_insn *insn,

			      unsigned int *data)

{

	unsigned long group = (unsigned long)s->private;

	unsigned long mask = data[0];

	unsigned long bits = data[1];

	/*

	 * The insn data consists of a mask in data[0] and the new data in

	 * data[1]. The mask defines which bits we are concerning about.

	 * The new data must be anded with the mask.  Each channel

	 * corresponds to a bit.

	 */

	if (data[0]) {

		/* Check if requested ports are configured for output */

		if ((s->io_bits & data[0]) != data[0])

	if (mask) {

		/* Check if requested channels are configured for output */

		if ((s->io_bits & mask) != mask)

			return -EIO;

		s->state &= ~data[0];

		s->state |= data[0] & data[1];

		/* Write out the new digital output lines */

		s->state &= ~mask;

		s->state |= (bits & mask);

		DEBIwrite(dev, LP_WRDOUT(group), s->state);

	}