Add hblank control so that the sensor has all the mandatory controls for libcamera. Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> --- drivers/media/i2c/ov2680.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c index 4c9db83d876e..fef9e11ee141 100644 --- a/drivers/media/i2c/ov2680.c +++ b/drivers/media/i2c/ov2680.c @@ -130,6 +130,7 @@ struct ov2680_ctrls { struct v4l2_ctrl *link_freq; struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl *vblank; + struct v4l2_ctrl *hblank; }; struct ov2680_mode { @@ -684,6 +685,10 @@ static int ov2680_set_fmt(struct v4l2_subdev *sd, /* exposure range depends on vts which may have changed */ ov2680_exposure_update_range(sensor); + /* adjust hblank value for new width */ + def = OV2680_PIXELS_PER_LINE - width; + __v4l2_ctrl_modify_range(sensor->ctrls.hblank, def, def, 1, def); + unlock: mutex_unlock(&sensor->lock); @@ -984,6 +989,12 @@ static int ov2680_v4l2_register(struct ov2680_dev *sensor) ctrls->vblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, OV2680_MIN_VBLANK, max, 1, def); + def = OV2680_PIXELS_PER_LINE - OV2680_DEFAULT_WIDTH; + ctrls->hblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, + def, def, 1, def); + if (ctrls->hblank) + ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + if (hdl->error) { ret = hdl->error; goto cleanup_entity; -- 2.43.0