+static int e4000_s_frequency(struct v4l2_subdev *sd,
+ const struct v4l2_frequency *f)
+{
+ struct e4000_dev *dev = e4000_subdev_to_dev(sd);
+ struct i2c_client *client = dev->client;
+
+ dev_dbg(&client->dev, "tuner=%d type=%d frequency=%u\n",
+ f->tuner, f->type, f->frequency);
+
+ dev->f_frequency = clamp_t(unsigned int, f->frequency,
+ bands[0].rangelow, bands[1].rangehigh);
+ return e4000_set_params(dev);
+}
+
+static int e4000_enum_freq_bands(struct v4l2_subdev *sd,
+ struct v4l2_frequency_band *band)
+{
+ struct e4000_dev *dev = e4000_subdev_to_dev(sd);
+ struct i2c_client *client = dev->client;
+
+ dev_dbg(&client->dev, "tuner=%d type=%d index=%d\n",
+ band->tuner, band->type, band->index);
+
+ if (band->index >= ARRAY_SIZE(bands))
+ return -EINVAL;
+
+ band->capability = bands[band->index].capability;
+ band->rangelow = bands[band->index].rangelow;
+ band->rangehigh = bands[band->index].rangehigh;
+ return 0;
+}
+
+static const struct v4l2_subdev_tuner_ops e4000_subdev_tuner_ops = {
+ .g_tuner = e4000_g_tuner,
+ .s_tuner = e4000_s_tuner,
+ .g_frequency = e4000_g_frequency,
+ .s_frequency = e4000_s_frequency,
+ .enum_freq_bands = e4000_enum_freq_bands,
+};
+
+static const struct v4l2_subdev_ops e4000_subdev_ops = {
+ .core = &e4000_subdev_core_ops,
+ .tuner = &e4000_subdev_tuner_ops,
+};
+