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media: ov13858: Fix initial expsoure max
Previously, initial exposure max was set incorrectly to (0x7fff - 8). Now, limit exposure max to current resolution (VTS - 8). Signed-off-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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parent
b3775edc66
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33eea13263
1 changed files with 3 additions and 2 deletions
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@ -66,7 +66,6 @@
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/* Exposure control */
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#define OV13858_REG_EXPOSURE 0x3500
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#define OV13858_EXPOSURE_MIN 4
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#define OV13858_EXPOSURE_MAX (OV13858_VTS_MAX - 8)
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#define OV13858_EXPOSURE_STEP 1
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#define OV13858_EXPOSURE_DEFAULT 0x640
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@ -1605,6 +1604,7 @@ static int ov13858_init_controls(struct ov13858 *ov13858)
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{
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struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd);
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struct v4l2_ctrl_handler *ctrl_hdlr;
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s64 exposure_max;
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int ret;
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ctrl_hdlr = &ov13858->ctrl_handler;
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@ -1643,10 +1643,11 @@ static int ov13858_init_controls(struct ov13858 *ov13858)
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OV13858_PPL_1080MHZ - ov13858->cur_mode->width);
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ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
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exposure_max = ov13858->cur_mode->vts - 8;
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ov13858->exposure = v4l2_ctrl_new_std(
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ctrl_hdlr, &ov13858_ctrl_ops,
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V4L2_CID_EXPOSURE, OV13858_EXPOSURE_MIN,
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OV13858_EXPOSURE_MAX, OV13858_EXPOSURE_STEP,
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exposure_max, OV13858_EXPOSURE_STEP,
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OV13858_EXPOSURE_DEFAULT);
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v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
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