#define USBDUXSIGMA_PWM_ON_CMD         7
 #define USBDUXSIGMA_PWM_OFF_CMD                8
 
-/**************************************************/
-/* comedi constants */
-static const struct comedi_lrange range_usbdux_ai_range = { 1, {
-                                                               BIP_RANGE
-                                                               (2.65/2.0)
-                                                               }
+static const struct comedi_lrange usbduxsigma_ai_range = {
+       1, {
+               BIP_RANGE(2.65 / 2.0)
+       }
 };
 
 struct usbduxsigma_private {
        s->n_chan       = NUMCHANNELS;
        s->len_chanlist = NUMCHANNELS;
        s->maxdata      = 0x00ffffff;
-       s->range_table  = &range_usbdux_ai_range;
+       s->range_table  = &usbduxsigma_ai_range;
        s->insn_read    = usbduxsigma_ai_insn_read;
        s->do_cmdtest   = usbduxsigma_ai_cmdtest;
        s->do_cmd       = usbduxsigma_ai_cmd;