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>
diff --git a/drivers/media/dvb/frontends/cx22700.h b/drivers/media/dvb/frontends/cx22700.h
index dcd8979..10286cc 100644
--- a/drivers/media/dvb/frontends/cx22700.h
+++ b/drivers/media/dvb/frontends/cx22700.h
@@ -31,7 +31,16 @@
u8 demod_address;
};
+#if defined(CONFIG_DVB_CX22700) || defined(CONFIG_DVB_CX22700_MODULE)
extern struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
struct i2c_adapter* i2c);
+#else
+static inline struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
+ struct i2c_adapter* i2c)
+{
+ printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
+ return NULL;
+}
+#endif // CONFIG_DVB_CX22700
#endif // CX22700_H