V4L/DVB: af9013: add support for tda18218 silicon tuner

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/af9013.c

@@ -486,6 +486,19 @@ static int af9013_set_freq_ctrl(struct af9013_state *state, fe_bandwidth_t bw)
 				if_sample_freq = 4300000; /* 4.3 MHz */
 				break;
 			}
+		} else if (state->config.tuner == AF9013_TUNER_TDA18218) {
+			switch (bw) {
+			case BANDWIDTH_6_MHZ:
+				if_sample_freq = 3000000; /* 3 MHz */
+				break;
+			case BANDWIDTH_7_MHZ:
+				if_sample_freq = 3500000; /* 3.5 MHz */
+				break;
+			case BANDWIDTH_8_MHZ:
+			default:
+				if_sample_freq = 4000000; /* 4 MHz */
+				break;
+			}
 		}
 
 		while (if_sample_freq > (adc_freq / 2))
@@ -1393,6 +1406,7 @@ static int af9013_init(struct dvb_frontend *fe)
 		init = tuner_init_mt2060_2;
 		break;
 	case AF9013_TUNER_TDA18271:
+	case AF9013_TUNER_TDA18218:
 		len = ARRAY_SIZE(tuner_init_tda18271);
 		init = tuner_init_tda18271;
 		break;

drivers/media/dvb/frontends/af9013_priv.h

@@ -791,8 +791,9 @@ static struct regdesc tuner_init_unknown[] = {
 	{ 0x9bd9, 0, 8, 0x08 },
 };
 
-/* NXP TDA18271 tuner init
-   AF9013_TUNER_TDA18271   = 156 */
+/* NXP TDA18271 & TDA18218 tuner init
+   AF9013_TUNER_TDA18271   = 156
+   AF9013_TUNER_TDA18218   = 179 */
 static struct regdesc tuner_init_tda18271[] = {
 	{ 0x9bd5, 0, 8, 0x01 },
 	{ 0x9bd6, 0, 8, 0x04 },