Commit 198ac9dc authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: ni_labpc: fix labpc_calib_insn_read() 



The comedi core expects the (*insn_read) operations to read insn->n
values and return the number of values actually read.

Make this function work like the core expects.

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 43d092c6

drivers/staging/comedi/drivers/ni_labpc.c

+5 −2
Original line number Diff line number Diff line
@@ -1551,10 +1551,13 @@ static int labpc_calib_insn_read(struct comedi_device *dev, 
				 unsigned int *data)

{

	struct labpc_private *devpriv = dev->private;

	unsigned int chan = CR_CHAN(insn->chanspec);

	int i;



	data[0] = devpriv->caldac[CR_CHAN(insn->chanspec)];

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

		data[i] = devpriv->caldac[chan];



	return 1;

	return insn->n;

}



static int labpc_eeprom_insn_write(struct comedi_device *dev,