V4L/DVB (4387): Add Kconfig infrastructure for dvb_attach

Allow it to be en/disabled
Disable it in < 2.6.17 due to symbol_xxx() bug

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Acked-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/drivers/media/dvb/frontends/mt312.h b/drivers/media/dvb/frontends/mt312.h
index 666a1bd1c244..7112fb4d58ac 100644
--- a/drivers/media/dvb/frontends/mt312.h
+++ b/drivers/media/dvb/frontends/mt312.h
@@ -34,8 +34,16 @@ struct mt312_config
         u8 demod_address;
 };
 
+#if defined(CONFIG_DVB_MT312) || defined(CONFIG_DVB_MT312_MODULE)
 struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
                                         struct i2c_adapter* i2c);
-
+#else
+static inline struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
+                                        struct i2c_adapter* i2c)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+        return NULL;
+}
+#endif // CONFIG_DVB_MT312
 
 #endif // MT312_H