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

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/comedi/drivers/rti800.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/comedi/drivers/rti800.c 
b/drivers/staging/comedi/drivers/rti800.c
index 8fb8af0..583a4ed 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -140,9 +140,6 @@ 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;
        enum {
@@ -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;
        }
-- 
1.8.1.4

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