[PATCH v7 8/8] media: imx214: Add new control with V4L2_CID_UNIT_CELL_SIZE

From: Ricardo Ribalda Delgado
Date: Mon Sep 30 2019 - 06:07:02 EST


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 | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 159a3a604f0e..4d9879f60dfb 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];

@@ -948,6 +949,10 @@ static int imx214_probe(struct i2c_client *client)
static const s64 link_freq[] = {
IMX214_DEFAULT_LINK_FREQ,
};
+ static const struct v4l2_area unit_size = {
+ .width = 1120,
+ .height = 1120,
+ };
int ret;

ret = imx214_parse_fwnode(dev);
@@ -1029,6 +1034,10 @@ static int imx214_probe(struct i2c_client *client)
V4L2_CID_EXPOSURE,
0, 3184, 1, 0x0c70);

+ imx214->unit_size = v4l2_ctrl_new_std_compound(&imx214->ctrls,
+ NULL,
+ V4L2_CID_UNIT_CELL_SIZE,
+ v4l2_ctrl_ptr_from_void((void *)&unit_size));
ret = imx214->ctrls.error;
if (ret) {
dev_err(&client->dev, "%s control init failed (%d)\n",
--
2.23.0