Quoting André Apitzsch (2023-10-23 22:47:50)
> Code refinement, no functional changes.
>
> Signed-off-by: André Apitzsch <git@xxxxxxxxxxx>
> ---
> drivers/media/i2c/imx214.c | 24 +++++++++++++++++++-----
> 1 file changed, 19 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
> index 4f77ea02cc27..9218c149d4c8 100644
> --- a/drivers/media/i2c/imx214.c
> +++ b/drivers/media/i2c/imx214.c
> @@ -19,12 +19,23 @@
> #include <media/v4l2-fwnode.h>
> #include <media/v4l2-subdev.h>
>
> +#define IMX214_REG_MODE_SELECT 0x0100
> +#define IMX214_MODE_STANDBY 0x00
> +#define IMX214_MODE_STREAMING 0x01
> +
> #define IMX214_DEFAULT_CLK_FREQ 24000000
> #define IMX214_DEFAULT_LINK_FREQ 480000000
> #define IMX214_DEFAULT_PIXEL_RATE ((IMX214_DEFAULT_LINK_FREQ * 8LL) / 10)
> #define IMX214_FPS 30
> #define IMX214_MBUS_CODE MEDIA_BUS_FMT_SRGGB10_1X10
>
> +/* Exposure control */
> +#define IMX214_REG_EXPOSURE 0x0202
> +#define IMX214_EXPOSURE_MIN 0
> +#define IMX214_EXPOSURE_MAX 3184
> +#define IMX214_EXPOSURE_STEP 1
> +#define IMX214_EXPOSURE_DEFAULT 0x0c70
I like this change, and I see that 0x0c70 was directly moved here from
the code below. But could we replace 0xc70 here with 3184 please so that
it's /far/ clearer that the Exposure Default == Exposure Max which is
otherwise hidden?
--
Regards
Kieran
> +
> static const char * const imx214_supply_name[] = {
> "vdda",
> "vddd",
> @@ -665,7 +676,7 @@ static int imx214_set_ctrl(struct v4l2_ctrl *ctrl)
> case V4L2_CID_EXPOSURE:
> vals[1] = ctrl->val;
> vals[0] = ctrl->val >> 8;
> - ret = regmap_bulk_write(imx214->regmap, 0x202, vals, 2);
> + ret = regmap_bulk_write(imx214->regmap, IMX214_REG_EXPOSURE, vals, 2);
> if (ret < 0)
> dev_err(imx214->dev, "Error %d\n", ret);
> ret = 0;
> @@ -743,7 +754,7 @@ static int imx214_start_streaming(struct imx214 *imx214)
> dev_err(imx214->dev, "could not sync v4l2 controls\n");
> goto error;
> }
> - ret = regmap_write(imx214->regmap, 0x100, 1);
> + ret = regmap_write(imx214->regmap, IMX214_REG_MODE_SELECT, IMX214_MODE_STREAMING);
> if (ret < 0) {
> dev_err(imx214->dev, "could not sent start table %d\n", ret);
> goto error;
> @@ -761,7 +772,7 @@ static int imx214_stop_streaming(struct imx214 *imx214)
> {
> int ret;
>
> - ret = regmap_write(imx214->regmap, 0x100, 0);
> + ret = regmap_write(imx214->regmap, IMX214_REG_MODE_SELECT, IMX214_MODE_STANDBY);
> if (ret < 0)
> dev_err(imx214->dev, "could not sent stop table %d\n", ret);
>
> @@ -991,9 +1002,12 @@ static int imx214_probe(struct i2c_client *client)
> *
> * Yours sincerely, Ricardo.
> */
> - imx214->exposure = v4l2_ctrl_new_std(&imx214->ctrls, &imx214_ctrl_ops,
> + imx214->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops,
> V4L2_CID_EXPOSURE,
> - 0, 3184, 1, 0x0c70);
> + IMX214_EXPOSURE_MIN,
> + IMX214_EXPOSURE_MAX,
> + IMX214_EXPOSURE_STEP,
> + IMX214_EXPOSURE_DEFAULT);
>
> imx214->unit_size = v4l2_ctrl_new_std_compound(&imx214->ctrls,
> NULL,
>
> --
> 2.42.0
>
