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media: i2c: ov13850 fixes exposure range

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I01844942c9b6c36df7ec085d76638a6f0f25115c
This commit is contained in:
Zefa Chen
2024-04-17 19:21:13 +08:00
committed by Tao Huang
parent 29e7837d1d
commit 927fd4ed97
1 changed files with 3 additions and 3 deletions
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6
drivers/media/i2c/ov13850.c
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@@ -48,7 +48,7 @@
#define OV13850_MODE_STREAMING BIT(0)
#define OV13850_REG_EXPOSURE 0x3500
#define OV13850_EXPOSURE_MIN 4
#define OV13850_EXPOSURE_MIN 2
#define OV13850_EXPOSURE_STEP 1
#define OV13850_VTS_MAX 0x7fff
@@ -1303,7 +1303,7 @@ static int ov13850_set_ctrl(struct v4l2_ctrl *ctrl)
switch (ctrl->id) {
case V4L2_CID_VBLANK:
/* Update max exposure while meeting expected vblanking */
max = ov13850->cur_mode->height + ctrl->val - 4;
max = ov13850->cur_mode->height + ctrl->val - 16;
__v4l2_ctrl_modify_range(ov13850->exposure,
ov13850->exposure->minimum, max,
ov13850->exposure->step,
@@ -1393,7 +1393,7 @@ static int ov13850_initialize_controls(struct ov13850 *ov13850)
OV13850_VTS_MAX - mode->height,
1, vblank_def);
exposure_max = mode->vts_def - 4;
exposure_max = mode->vts_def - 16;
ov13850->exposure = v4l2_ctrl_new_std(handler, &ov13850_ctrl_ops,
V4L2_CID_EXPOSURE, OV13850_EXPOSURE_MIN,
exposure_max, OV13850_EXPOSURE_STEP,