[media] dvb: don't cause missing symbols for drxk/tda18271c2dd
authorMauro Carvalho Chehab <mchehab@redhat.com>
Mon, 11 Jul 2011 17:56:30 +0000 (14:56 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 27 Jul 2011 20:55:52 +0000 (17:55 -0300)
If those demods are unselected, but a bridge driver requires them,
produce a runtime message, instead of missing symbols.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/frontends/drxk.h
drivers/media/dvb/frontends/tda18271c2dd.h

index a756e4562fe233c02e74c2a755c42578658d74db..58baf419560cedb55f11ca5b788cbcd9eff77069 100644 (file)
@@ -29,7 +29,19 @@ struct drxk_config {
        const char *microcode_name;
 };
 
+#if defined(CONFIG_DVB_DRXK) || (defined(CONFIG_DVB_DRXK_MODULE) \
+        && defined(MODULE))
 extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,
                                        struct i2c_adapter *i2c,
                                        struct dvb_frontend **fe_t);
+#else
+static inline struct dvb_frontend *drxk_attach(const struct drxk_config *config,
+                                       struct i2c_adapter *i2c,
+                                       struct dvb_frontend **fe_t)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif
+
 #endif
index 492badd50231937aea5807993982292eec961d71..5ac2da5fcf19e15d65d16381e87e3558a7330aec 100644 (file)
@@ -2,4 +2,18 @@
 #define _TDA18271C2DD_H_
 struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe,
                                         struct i2c_adapter *i2c, u8 adr);
+
+#if defined(CONFIG_DVB_TDA18271C2DD) || (defined(CONFIG_DVB_TDA18271C2DD_MODULE) \
+        && defined(MODULE))
+struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe,
+                                        struct i2c_adapter *i2c, u8 adr);
+#else
+static inline struct dvb_frontend *tda18271c2dd_attach(struct dvb_frontend *fe,
+                                        struct i2c_adapter *i2c, u8 adr) {
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+        return NULL;
+}
+#endif
+
 #endif