staging: comedi: rti800: remove adc_range from private data

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>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c
index 8fb8af044159..583a4ed07b4c 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;
         }