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, 0 deletions

diff --git a/drivers/media/dvb/frontends/tda10021.h b/drivers/media/dvb/frontends/tda10021.h
index e77df5ed7807..d68ae20c8412 100644
--- a/drivers/media/dvb/frontends/tda10021.h
+++ b/drivers/media/dvb/frontends/tda10021.h
@@ -32,8 +32,17 @@ struct tda10021_config
         u8 demod_address;
 };
 
+#if defined(CONFIG_DVB_TDA10021) || defined(CONFIG_DVB_TDA10021_MODULE)
 extern struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
                                             struct i2c_adapter* i2c, u8 pwm);
+#else
+static inline struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,
+                                            struct i2c_adapter* i2c, u8 pwm)
+{
+        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+        return NULL;
+}
+#endif // CONFIG_DVB_TDA10021
 
 static inline int tda10021_writereg(struct dvb_frontend *fe, u8 reg, u8 val) {
         int r = 0;