According to the product brief, the unit cell size is 1120 nanometers^2. https://www.sony-semicon.co.jp/products_en/IS/sensor1/img/products/ProductBrief_IMX214_20150428.pdf Signed-off-by: Ricardo Ribalda Delgado <ribalda@xxxxxxxxxx> --- drivers/media/i2c/imx214.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c index 159a3a604f0e..cc0a013ba7da 100644 --- a/drivers/media/i2c/imx214.c +++ b/drivers/media/i2c/imx214.c @@ -47,6 +47,7 @@ struct imx214 { struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl *link_freq; struct v4l2_ctrl *exposure; + struct v4l2_ctrl *unit_size; struct regulator_bulk_data supplies[IMX214_NUM_SUPPLIES]; @@ -941,6 +942,26 @@ static int __maybe_unused imx214_resume(struct device *dev) return ret; } +static void unit_size_init(const struct v4l2_ctrl *ctrl, u32 idx, + union v4l2_ctrl_ptr ptr) +{ + ptr.p_area->width = 1120; + ptr.p_area->height = 1120; +} + +static const struct v4l2_ctrl_type_ops unit_size_ops = { + .init = unit_size_init, +}; + +static struct v4l2_ctrl *new_unit_size_ctrl(struct v4l2_ctrl_handler *handler) +{ + static struct v4l2_ctrl_config ctrl = { + .id = V4L2_CID_UNIT_CELL_SIZE, + .type_ops = &unit_size_ops, + }; + + return v4l2_ctrl_new_custom(handler, &ctrl, NULL); +} static int imx214_probe(struct i2c_client *client) { struct device *dev = &client->dev; @@ -1029,6 +1050,8 @@ static int imx214_probe(struct i2c_client *client) V4L2_CID_EXPOSURE, 0, 3184, 1, 0x0c70); + imx214->unit_size = new_unit_size_ctrl(&imx214->ctrls); + ret = imx214->ctrls.error; if (ret) { dev_err(&client->dev, "%s control init failed (%d)\n", -- 2.23.0.rc1