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Commit 21314bc6 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: cb_pcimdas: provide analog output range table 



The analog output range is not programmable. The DAC ranges are
jumper-settable on the board. For aesthetics, provide a range table
for the user with all possible ranges.

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 e3bd4c8e

drivers/staging/comedi/drivers/cb_pcimdas.c

+14 −2
Original line number Diff line number Diff line
@@ -136,6 +136,19 @@ static const struct comedi_lrange cb_pcimdas_ai_uni_range = { 
	}

};



/*

 * The Analog Output range is not programmable. The DAC ranges are

 * jumper-settable on the board. The settings are not software-readable.

 */

static const struct comedi_lrange cb_pcimdas_ao_range = {

	4, {

		BIP_RANGE(10),

		BIP_RANGE(5),

		UNI_RANGE(10),

		UNI_RANGE(5)

	}

};



/*

 * this structure is for data unique to this hardware driver.  If

 * several hardware drivers keep similar information in this structure,
@@ -306,8 +319,7 @@ static int cb_pcimdas_auto_attach(struct comedi_device *dev, 
	s->subdev_flags = SDF_WRITABLE;

	s->n_chan = 2;

	s->maxdata = 0xfff;

	/* ranges are hardware settable, but not software readable. */

	s->range_table = &range_unknown;

	s->range_table = &cb_pcimdas_ao_range;

	s->insn_write = cb_pcimdas_ao_insn_write;



	ret = comedi_alloc_subdev_readback(s);