V4L/DVB (8866): Add dummy FE to the Kconfig-file and fix it

Reactivated dummy frontend driver which is extremely useful for debugging.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/Kconfig

@@ -392,4 +392,10 @@ config DVB_LGS8GL5
 	help
 	  A DMB-TH tuner module. Say Y when you want to support this frontend.
 
+comment "Tools to develop new frontends"
+
+config DVB_DUMMY_FE
+	tristate "Dummy frontend driver"
+	default n
+
 endmenu

drivers/media/dvb/frontends/Makefile

@@ -49,3 +49,4 @@ obj-$(CONFIG_DVB_AU8522) += au8522.o
 obj-$(CONFIG_DVB_TDA10048) += tda10048.o
 obj-$(CONFIG_DVB_S5H1411) += s5h1411.o
 obj-$(CONFIG_DVB_LGS8GL5) += lgs8gl5.o
+obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o

drivers/media/dvb/frontends/dvb_dummy_fe.c

@@ -75,9 +75,10 @@ static int dvb_dummy_fe_get_frontend(struct dvb_frontend* fe, struct dvb_fronten
 
 static int dvb_dummy_fe_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
 {
-	if (fe->ops->tuner_ops->set_params) {
-		fe->ops->tuner_ops->set_params(fe, p);
-		if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
+	if (fe->ops.tuner_ops.set_params) {
+		fe->ops.tuner_ops.set_params(fe, p);
+		if (fe->ops.i2c_gate_ctrl)
+			fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
 	return 0;