return ret;
 }
 
-static struct usb_device_id m920x_table [] = {
-               { USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580) },
-               { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
-                            USB_PID_MSI_DIGI_VOX_MINI_II) },
-               { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
-                            USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD) },
-               { USB_DEVICE(USB_VID_ANUBIS_ELECTRONIC,
-                            USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM) },
-               { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_COLD) },
-               { USB_DEVICE(USB_VID_DPOSH, USB_PID_DPOSH_M9206_WARM) },
-               { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_PINNACLE_PCTV310E) },
-               { USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_TWINHAN_VP7049) },
-               { }             /* Terminating entry */
+enum {
+       MSI_MEGASKY580,
+       ANUBIS_MSI_DIGI_VOX_MINI_II,
+       ANUBIS_LIFEVIEW_TV_WALKER_TWIN_COLD,
+       ANUBIS_LIFEVIEW_TV_WALKER_TWIN_WARM,
+       DPOSH_M9206_COLD,
+       DPOSH_M9206_WARM,
+       VISIONPLUS_PINNACLE_PCTV310E,
+       AZUREWAVE_TWINHAN_VP7049,
 };
+
+static struct usb_device_id m920x_table[] = {
+       DVB_USB_DEV(MSI, MSI_MEGASKY580),
+       DVB_USB_DEV(ANUBIS_ELECTRONIC, ANUBIS_MSI_DIGI_VOX_MINI_II),
+       DVB_USB_DEV(ANUBIS_ELECTRONIC, ANUBIS_LIFEVIEW_TV_WALKER_TWIN_COLD),
+       DVB_USB_DEV(ANUBIS_ELECTRONIC, ANUBIS_LIFEVIEW_TV_WALKER_TWIN_WARM),
+       DVB_USB_DEV(DPOSH, DPOSH_M9206_COLD),
+       DVB_USB_DEV(DPOSH, DPOSH_M9206_WARM),
+       DVB_USB_DEV(VISIONPLUS, VISIONPLUS_PINNACLE_PCTV310E),
+       DVB_USB_DEV(AZUREWAVE, AZUREWAVE_TWINHAN_VP7049),
+       { }
+};
+
 MODULE_DEVICE_TABLE (usb, m920x_table);
 
 static struct dvb_usb_device_properties megasky_properties = {
        .num_device_descs = 1,
        .devices = {
                {   "MSI Mega Sky 580 DVB-T USB2.0",
-                       { &m920x_table[0], NULL },
+                       { &m920x_table[MSI_MEGASKY580], NULL },
                        { NULL },
                }
        }
        .num_device_descs = 1,
        .devices = {
                {   "MSI DIGI VOX mini II DVB-T USB2.0",
-                       { &m920x_table[1], NULL },
+                       { &m920x_table[ANUBIS_MSI_DIGI_VOX_MINI_II], NULL },
                        { NULL },
                },
        }
        .num_device_descs = 1,
        .devices = {
                {   .name = "LifeView TV Walker Twin DVB-T USB2.0",
-                   .cold_ids = { &m920x_table[2], NULL },
-                   .warm_ids = { &m920x_table[3], NULL },
+                   .cold_ids = { &m920x_table[ANUBIS_LIFEVIEW_TV_WALKER_TWIN_COLD], NULL },
+                   .warm_ids = { &m920x_table[ANUBIS_LIFEVIEW_TV_WALKER_TWIN_WARM], NULL },
                },
        }
 };
        .num_device_descs = 1,
        .devices = {
                 {   .name = "Dposh DVB-T USB2.0",
-                    .cold_ids = { &m920x_table[4], NULL },
-                    .warm_ids = { &m920x_table[5], NULL },
+                    .cold_ids = { &m920x_table[DPOSH_M9206_COLD], NULL },
+                    .warm_ids = { &m920x_table[DPOSH_M9206_WARM], NULL },
                 },
         }
 };
        .num_device_descs = 1,
        .devices = {
                {   "Pinnacle PCTV 310e",
-                       { &m920x_table[6], NULL },
+                       { &m920x_table[VISIONPLUS_PINNACLE_PCTV310E], NULL },
                        { NULL },
                }
        }
        .num_device_descs = 1,
        .devices = {
                {   "DTV-DVB UDTT7049",
-                       { &m920x_table[7], NULL },
+                       { &m920x_table[AZUREWAVE_TWINHAN_VP7049], NULL },
                        { NULL },
                }
         }
 
 #define USB_PID_AME_DTV5100                            0xa232
 #define USB_PID_ANCHOR_NEBULA_DIGITV                   0x0201
 #define USB_PID_ANSONIC_DVBT_USB                       0x6000
+#define USB_PID_ANUBIS_LIFEVIEW_TV_WALKER_TWIN_COLD    0x0514
+#define USB_PID_ANUBIS_LIFEVIEW_TV_WALKER_TWIN_WARM    0x0513
+#define USB_PID_ANUBIS_MSI_DIGI_VOX_MINI_II            0x1513
 #define USB_PID_ANYSEE                                 0x861f
 #define USB_PID_ARTEC_T14BR                            0x810f
 #define USB_PID_ARTEC_T14_COLD                         0x810b
 #define USB_PID_AZUREWAVE_6007                         0x0ccd
 #define USB_PID_AZUREWAVE_AD_TU700                     0x3237
 #define USB_PID_AZUREWAVE_AZ6027                       0x3275
+#define USB_PID_AZUREWAVE_TWINHAN_VP7049               0x3219
 #define USB_PID_COMPRO_DVBU2000_COLD                   0xd000
 #define USB_PID_COMPRO_DVBU2000_UNK_COLD               0x010c
 #define USB_PID_COMPRO_DVBU2000_UNK_WARM               0x010d
 #define USB_PID_KWORLD_VSTREAM_WARM                    0x17df
 #define USB_PID_KYE_DVB_T_COLD                         0x701e
 #define USB_PID_KYE_DVB_T_WARM                         0x701f
-#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_COLD           0x0514
-#define USB_PID_LIFEVIEW_TV_WALKER_TWIN_WARM           0x0513
 #define USB_PID_LITEON_DVB_T_COLD                      0xf000
 #define USB_PID_LITEON_DVB_T_WARM                      0xf001
 #define USB_PID_MEDION_MD95700                         0x0932
 #define USB_PID_MIGLIA_WT220U_ZAP250_COLD              0x0220
 #define USB_PID_MSI_DIGIVOX_DUO                        0x8801
-#define USB_PID_MSI_DIGI_VOX_MINI_II                   0x1513
 #define USB_PID_MSI_DIGI_VOX_MINI_III                  0x8807
 #define USB_PID_MSI_MEGASKY580                         0x5580
 #define USB_PID_MSI_MEGASKY580_55801                   0x5581
 #define USB_PID_PINNACLE_EXPRESSCARD_320CX             0x022e
 #define USB_PID_PINNACLE_PCTV2000E                     0x022c
 #define USB_PID_PINNACLE_PCTV282E                      0x0248
-#define USB_PID_PINNACLE_PCTV310E                      0x3211
 #define USB_PID_PINNACLE_PCTV340E                      0x023d
 #define USB_PID_PINNACLE_PCTV340E_SE                   0x023e
 #define USB_PID_PINNACLE_PCTV71E                       0x022b
 #define USB_PID_TWINHAN_VP7041_WARM                    0x3202
 #define USB_PID_TWINHAN_VP7045_COLD                    0x3205
 #define USB_PID_TWINHAN_VP7045_WARM                    0x3206
-#define USB_PID_TWINHAN_VP7049                         0x3219
 #define USB_PID_ULTIMA_TVBOX_AN2235_COLD               0x8107
 #define USB_PID_ULTIMA_TVBOX_AN2235_WARM               0x8108
 #define USB_PID_ULTIMA_TVBOX_ANCHOR_COLD               0x2235
 #define USB_PID_UNIWILL_STK7700P                       0x6003
 #define USB_PID_UNK_HYPER_PALTEK_COLD                  0x005e
 #define USB_PID_UNK_HYPER_PALTEK_WARM                  0x005f
+#define USB_PID_VISIONPLUS_PINNACLE_PCTV310E           0x3211
 #define USB_PID_WIDEVIEW_DTT200U_COLD                  0x0201
 #define USB_PID_WIDEVIEW_DTT200U_WARM                  0x0301
 #define USB_PID_WIDEVIEW_WT220U_COLD                   0x0222