As reported by the kbuild test robot <fengguang.wu@xxxxxxxxx>:
drivers/built-in.o: In function `em28xx_dvb_init':
em28xx-dvb.c:(.text+0x876f2c): undefined reference to `drx39xxj_attach'
That happens when CONFIG_VIDEO_EM28XX_DVB is selected, and neither
CONFIG_MEDIA_SUBDRV_AUTOSELECT or DVB_DRX39XYJ is selected.
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
---
drivers/media/dvb-frontends/drx39xyj/drx39xxj.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/media/dvb-frontends/drx39xyj/drx39xxj.h b/drivers/media/dvb-frontends/drx39xyj/drx39xxj.h
index 2e0c50f0a12a..cfd0b96b6939 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drx39xxj.h
+++ b/drivers/media/dvb-frontends/drx39xyj/drx39xxj.h
@@ -34,6 +34,12 @@ struct drx39xxj_state {
const struct firmware *fw;
};
+#if IS_ENABLED(CONFIG_DVB_DRX39XYJ)
struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
+ return NULL;
+};
+#endif
#endif /* DVB_DUMMY_FE_H */
--
1.8.5.3
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