[media] mt9m032: Implement V4L2_CID_PIXEL_RATE control
The pixel rate control is required by the OMAP3 ISP driver and should be implemented by all media controller-compatible sensor drivers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -688,11 +688,17 @@ static const struct v4l2_subdev_ops mt9m032_ops = {
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static int mt9m032_probe(struct i2c_client *client,
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const struct i2c_device_id *devid)
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{
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struct mt9m032_platform_data *pdata = client->dev.platform_data;
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struct i2c_adapter *adapter = client->adapter;
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struct mt9m032 *sensor;
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int chip_version;
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int ret;
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if (pdata == NULL) {
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dev_err(&client->dev, "No platform data\n");
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return -EINVAL;
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}
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
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dev_warn(&client->dev,
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"I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
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@ -708,7 +714,7 @@ static int mt9m032_probe(struct i2c_client *client,
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mutex_init(&sensor->lock);
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sensor->pdata = client->dev.platform_data;
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sensor->pdata = pdata;
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v4l2_i2c_subdev_init(&sensor->subdev, client, &mt9m032_ops);
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sensor->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
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@ -738,7 +744,7 @@ static int mt9m032_probe(struct i2c_client *client,
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sensor->format.field = V4L2_FIELD_NONE;
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sensor->format.colorspace = V4L2_COLORSPACE_SRGB;
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v4l2_ctrl_handler_init(&sensor->ctrls, 4);
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v4l2_ctrl_handler_init(&sensor->ctrls, 5);
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v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops,
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V4L2_CID_GAIN, 0, 127, 1, 64);
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@ -754,6 +760,9 @@ static int mt9m032_probe(struct i2c_client *client,
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V4L2_CID_EXPOSURE, MT9M032_SHUTTER_WIDTH_MIN,
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MT9M032_SHUTTER_WIDTH_MAX, 1,
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MT9M032_SHUTTER_WIDTH_DEF);
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v4l2_ctrl_new_std(&sensor->ctrls, &mt9m032_ctrl_ops,
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V4L2_CID_PIXEL_RATE, pdata->pix_clock,
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pdata->pix_clock, 1, pdata->pix_clock);
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if (sensor->ctrls.error) {
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ret = sensor->ctrls.error;
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