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staging: comedi: ni_labpc: fix labpc_eeprom_insn_read()

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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: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-03-22 09:57:48 -07:00 committed by Greg Kroah-Hartman
parent 63a93381ef
commit 1330af4c7d
1 changed files with 5 additions and 2 deletions
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7
drivers/staging/comedi/drivers/ni_labpc.c
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@ -1591,10 +1591,13 @@ static int labpc_eeprom_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->eeprom_data[CR_CHAN(insn->chanspec)];
for (i = 0; i < insn->n; i++)
data[i] = devpriv->eeprom_data[chan];
return 1;
return insn->n;
}
int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,