Commit 4d6b7008 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: quatech_daqp_cs: there are 4 digital inputs 



This board has 4 digital inputs not 1. Fix the subdevice init.

The digital input lines are shared with other functions. Add a
comment about this.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 23d4f024

drivers/staging/comedi/drivers/quatech_daqp_cs.c

+12 −1
Original line number Diff line number Diff line
@@ -741,10 +741,21 @@ static int daqp_auto_attach(struct comedi_device *dev, 
	if (ret)

		return ret;



	/*

	 * Digital Input subdevice

	 * NOTE: The digital input lines are shared:

	 *

	 * Chan  Normal Mode        Expansion Mode

	 * ----  -----------------  ----------------------------

	 *  0    DI0, ext. trigger  Same as normal mode

	 *  1    DI1                External gain select, lo bit

	 *  2    DI2, ext. clock    Same as normal mode

	 *  3    DI3                External gain select, hi bit

	 */

	s = &dev->subdevices[2];

	s->type		= COMEDI_SUBD_DI;

	s->subdev_flags	= SDF_READABLE;

	s->n_chan	= 1;

	s->n_chan	= 4;

	s->maxdata	= 1;

	s->insn_bits	= daqp_di_insn_bits;