Adjust a switch block to explicitly match channels and
return -EINVAL as default case which makes the code
semantically more clear.
Signed-off-by: Shreeya Patel <shreeya.patel23498@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
                switch (chan->type) {
                case IIO_VOLTAGE:
                        *val = 0;
-                       if (chan->channel == 0)
+                       switch (chan->channel) {
+                       case 0:
                                *val2 = 305180; /* 0.30518 mV */
-                       else
+                               break;
+                       case 1:
                                *val2 = 610500; /* 0.6105 mV */
+                               break;
+                       default:
+                               return -EINVAL;
+                       }
                        return IIO_VAL_INT_PLUS_MICRO;
                case IIO_TEMP:
                        *val = -470;