V4L/DVB (4478): [av7110] Support Grundig DVB-T tuner for sub-system 13c2:0001

Some DVB-T cards with Grundig 29504-401 tuner use subsystem id 13c2:0001
(reported by Stuart Butterfield).

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/ttpci/av7110.c

@@ -2150,12 +2150,19 @@ static int frontend_init(struct av7110 *av7110)
 			break;
 
 		case 0x0001: // Hauppauge/TT Nexus-T premium rev1.X
-
-			// ALPS TDLB7
+			// try ALPS TDLB7 first, then Grundig 29504-401
 			av7110->fe = dvb_attach(sp8870_attach, &alps_tdlb7_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_tdlb7_tuner_set_params;
+				break;
 			}
+			/* fall-thru */
+
+		case 0x0008: // Hauppauge/TT DVB-T
+			// Grundig 29504-401
+			av7110->fe = dvb_attach(l64781_attach, &grundig_29504_401_config, &av7110->i2c_adap);
+			if (av7110->fe)
+				av7110->fe->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
 			break;
 
 		case 0x0002: // Hauppauge/TT DVB-C premium rev2.X
@@ -2190,14 +2197,6 @@ static int frontend_init(struct av7110 *av7110)
 			}
 			break;
 
-		case 0x0008: // Hauppauge/TT DVB-T
-
-			av7110->fe = dvb_attach(l64781_attach, &grundig_29504_401_config, &av7110->i2c_adap);
-			if (av7110->fe) {
-				av7110->fe->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
-			}
-			break;
-
 		case 0x000A: // Hauppauge/TT Nexus-CA rev1.X
 
 			av7110->fe = dvb_attach(stv0297_attach, &nexusca_stv0297_config, &av7110->i2c_adap);