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media: i2c: imx577: fix exposure control range according to datasheet

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Change-Id: Idcb10103015279e1a5e532f490b7b28685d0c0a5
Signed-off-by: Jianwei Fan <jianwei.fan@rock-chips.com>
This commit is contained in:
Jianwei Fan
2023-11-10 03:35:42 +00:00
committed by Tao Huang
parent 1c08964430
commit 9625dd4e2a
1 changed files with 3 additions and 3 deletions
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drivers/media/i2c/imx577.c
+3 -3
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@@ -62,7 +62,7 @@
#define IMX577_REG_EXPOSURE_H 0x0202
#define IMX577_REG_EXPOSURE_L 0x0203
#define IMX577_EXPOSURE_MIN 4
#define IMX577_EXPOSURE_MIN 8
#define IMX577_EXPOSURE_STEP 1
#define IMX577_VTS_MAX 0xffff
@@ -2031,7 +2031,7 @@ static int imx577_set_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_VBLANK:
if (imx577->cur_mode->hdr_mode == NO_HDR) {
/* Update max exposure while meeting expected vblanking */
max = imx577->cur_mode->height + ctrl->val - 4;
max = imx577->cur_mode->height + ctrl->val - 22;
__v4l2_ctrl_modify_range(imx577->exposure,
imx577->exposure->minimum, max,
imx577->exposure->step,
@@ -2195,7 +2195,7 @@ static int imx577_initialize_controls(struct imx577 *imx577)
IMX577_VTS_MAX - mode->height,
1, vblank_def);
imx577->cur_vts = mode->vts_def;
exposure_max = mode->vts_def - 4;
exposure_max = mode->vts_def - 22;
imx577->exposure = v4l2_ctrl_new_std(handler, &imx577_ctrl_ops,
V4L2_CID_EXPOSURE, IMX577_EXPOSURE_MIN,
exposure_max, IMX577_EXPOSURE_STEP,