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staging: comedi: rti800: remove adc_range from private data

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The 'adc_range' is only used in the attach of the board. Remove it
from the private data.

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 2013-04-08 18:17:01 -07:00 • committed by Greg Kroah-Hartman
parent 14aa6cda07
commit 6605a305c5
1 changed files with 4 additions and 8 deletions
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12
drivers/staging/comedi/drivers/rti800.c
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@ -139,9 +139,6 @@ static const struct rti800_board rti800_boardtypes[] = {
};
struct rti800_private {
enum {
adc_bipolar10, adc_bipolar5, adc_unipolar10
} adc_range;
enum {
adc_2comp, adc_straight
} adc_coding;
@ -313,7 +310,6 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
return -ENOMEM;
dev->private = devpriv;
devpriv->adc_range = it->options[3];
devpriv->adc_coding = it->options[4];
devpriv->dac0_range = it->options[5];
devpriv->dac0_coding = it->options[6];
@ -332,14 +328,14 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
s->n_chan = (it->options[2] ? 16 : 8);
s->insn_read = rti800_ai_insn_read;
s->maxdata = 0xfff;
switch (devpriv->adc_range) {
case adc_bipolar10:
switch (it->options[3]) {
case 0:
s->range_table = &range_rti800_ai_10_bipolar;
break;
case adc_bipolar5:
case 1:
s->range_table = &range_rti800_ai_5_bipolar;
break;
case adc_unipolar10:
case 2:
s->range_table = &range_rti800_ai_unipolar;
break;
}