[media] drx39xxj.h: Fix undefined reference to attach function
As reported by the kbuild test robot <fengguang.wu@intel.com>: 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. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -34,6 +34,12 @@ struct drx39xxj_state {
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const struct firmware *fw;
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};
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#if IS_ENABLED(CONFIG_DVB_DRX39XYJ)
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struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c);
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#else
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static inline struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c) {
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return NULL;
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};
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#endif
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#endif /* DVB_DUMMY_FE_H */
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