V4L/DVB (9417): DVB_ATTACH for STB0899, STB6100, TDA8261

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/stb0899_drv.h

@@ -97,6 +97,21 @@ struct stb0899_config {
 	int (*tuner_set_rfsiggain)(struct dvb_frontend *fe, u32 rf_gain);
 };
 
-extern struct dvb_frontend *stb0899_attach(struct stb0899_config *config, struct i2c_adapter *i2c);
+#if defined(CONFIG_DVB_STB0899) || (defined(CONFIG_DVB_STB0899_MODULE) && defined(MODULE))
+
+extern struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
+					   struct i2c_adapter *i2c);
+
+#else
+
+static inline struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
+						  struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+
+#endif //CONFIG_DVB_STB0899
+
 
 #endif

drivers/media/dvb/frontends/stb6100.h

@@ -94,8 +94,22 @@ struct stb6100_state {
 	u32 reference;
 };
 
-struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
-				    struct stb6100_config* config,
+#if defined(CONFIG_DVB_STB6100) || (defined(CONFIG_DVB_STB6100_MODULE) && defined(MODULE))
+
+extern struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
+					   struct stb6100_config *config,
 					   struct i2c_adapter *i2c);
 
+#else
+
+static inline struct dvb_frontend *stb6100_attach(struct dvb_frontend *fe,
+						  struct stb6100_config *config,
+						  struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+
+#endif //CONFIG_DVB_STB6100
+
 #endif

drivers/media/dvb/frontends/tda8261.h

@@ -15,8 +15,22 @@ struct tda8261_config {
 	enum tda8261_step	step_size;
 };
 
+#if defined(CONFIG_DVB_TDA8261) || (defined(CONFIG_DVB_TDA8261_MODULE) && defined(MODULE))
+
 extern struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
 					   const struct tda8261_config *config,
 					   struct i2c_adapter *i2c);
 
+#else
+
+static inline struct dvb_frontend *tda8261_attach(struct dvb_frontend *fe,
+						  const struct tda8261_config *config,
+						  struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+
+#endif //CONFIG_DVB_TDA8261
+
 #endif// __TDA8261_H

drivers/media/dvb/ttpci/budget-av.c

@@ -1603,8 +1603,8 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBS2_KNC1:
 	case SUBID_DVBS2_KNC1_OEM:
 		budget_av->reinitialise_demod = 1;
-		if ((fe = stb0899_attach(&knc1_dvbs2_config, &budget_av->budget.i2c_adap)))
-			tda8261_attach(fe, &sd1878c_config, &budget_av->budget.i2c_adap);
+		if ((fe = dvb_attach(stb0899_attach, &knc1_dvbs2_config, &budget_av->budget.i2c_adap)))
+			dvb_attach(tda8261_attach, fe, &sd1878c_config, &budget_av->budget.i2c_adap);
 
 		break;
 	case SUBID_DVBS_CINERGY1200:

drivers/media/dvb/ttpci/budget-ci.c

@@ -1768,20 +1768,17 @@ static void frontend_init(struct budget_ci *budget_ci)
 		break;
 
 	case 0x1019:		// TT S2-3200 PCI
-		budget_ci->budget.dvb_frontend = stb0899_attach(&tt3200_config, &budget_ci->budget.i2c_adap);
+		budget_ci->budget.dvb_frontend = dvb_attach(stb0899_attach, &tt3200_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
-			if (stb6100_attach(budget_ci->budget.dvb_frontend, &tt3200_stb6100_config, &budget_ci->budget.i2c_adap)) {
-				if (!lnbp21_attach(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, 0, 0)) {
+			if (dvb_attach(stb6100_attach, budget_ci->budget.dvb_frontend, &tt3200_stb6100_config, &budget_ci->budget.i2c_adap)) {
+				if (!dvb_attach(lnbp21_attach, budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, 0, 0)) {
 					printk("%s: No LNBP21 found!\n", __FUNCTION__);
-					if (budget_ci->budget.dvb_frontend->ops.tuner_ops.release)
-						budget_ci->budget.dvb_frontend->ops.tuner_ops.release(budget_ci->budget.dvb_frontend);
-					if (budget_ci->budget.dvb_frontend->ops.release)
-						budget_ci->budget.dvb_frontend->ops.release(budget_ci->budget.dvb_frontend);
+					dvb_frontend_detach(budget_ci->budget.dvb_frontend);
 					budget_ci->budget.dvb_frontend = NULL;
 				}
 			} else {
-				if (budget_ci->budget.dvb_frontend->ops.release)
-					budget_ci->budget.dvb_frontend->ops.release(budget_ci->budget.dvb_frontend);
+					dvb_frontend_detach(budget_ci->budget.dvb_frontend);
+					budget_ci->budget.dvb_frontend = NULL;
 			}
 		}
 		break;