+/* Return i2c client address of v4l2_subdev. */
+unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd);
+
+enum v4l2_i2c_tuner_type {
+ ADDRS_RADIO, /* Radio tuner addresses */
+ ADDRS_DEMOD, /* Demod tuner addresses */
+ ADDRS_TV, /* TV tuner addresses */
+ /* TV tuner addresses if demod is present, this excludes
+ addresses used by the demodulator from the list of
+ candidates. */
+ ADDRS_TV_WITH_DEMOD,
+};
+/* Return a list of I2C tuner addresses to probe. Use only if the tuner
+ addresses are unknown. */
+const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type);