V4L/DVB (9155): em28xx-dvb: dvb_init() code factorization

In dvb_init(),
        case EM2880_BOARD_TERRATEC_HYBRID_XS:
        case EM2880_BOARD_KWORLD_DVB_310U:
can be put in the same case than EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900
since they do the same thing.
Signed-off-by: NThierry MERLE <thierry.merle@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/em28xx/em28xx-dvb.c

@@ -421,6 +421,8 @@ static int dvb_init(struct em28xx *dev)
 		}
 		break;
 	case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
+	case EM2880_BOARD_TERRATEC_HYBRID_XS:
+	case EM2880_BOARD_KWORLD_DVB_310U:
 		dvb->frontend = dvb_attach(zl10353_attach,
 					   &em28xx_zl10353_with_xc3028,
 					   &dev->i2c_adap);
@@ -442,24 +444,6 @@ static int dvb_init(struct em28xx *dev)
 		}
 		break;
 #endif
-	case EM2880_BOARD_TERRATEC_HYBRID_XS:
-		dvb->frontend = dvb_attach(zl10353_attach,
-						&em28xx_zl10353_with_xc3028,
-						&dev->i2c_adap);
-		if (attach_xc3028(0x61, dev) < 0) {
-			 result = -EINVAL;
-			goto out_free;
-		}
-		break;
-	case EM2880_BOARD_KWORLD_DVB_310U:
-		dvb->frontend = dvb_attach(zl10353_attach,
-						&em28xx_zl10353_with_xc3028,
-						&dev->i2c_adap);
-		if (attach_xc3028(0x61, dev) < 0) {
-			result = -EINVAL;
-			goto out_free;
-		}
-		break;
 	default:
 		printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card"
 				" isn't supported yet\n",