diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2026-07-15 12:43:29 +0100 |
|---|---|---|
| committer | Sakari Ailus <sakari.ailus@linux.intel.com> | 2026-07-15 17:04:31 +0300 |
| commit | f31cb77bb1d141eab71d4aae96f5fa51efcd3ca0 (patch) | |
| tree | ec46ed248bf9af3eafe1f1f766d69ef70e9d1d55 /drivers | |
| parent | ba533bb043a8af516f863d5319daa57ec475c178 (diff) | |
| download | linux-next-f31cb77bb1d141eab71d4aae96f5fa51efcd3ca0.tar.gz linux-next-f31cb77bb1d141eab71d4aae96f5fa51efcd3ca0.zip | |
media: imx355: Define the exposure offset, and use that define
The difference between frame length and max exposure time in
lines is 10. That had been used as a bare value in calculations.
Move it to a define, and use that define.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/imx355.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index fa8a6851b44e..cc27a193cd81 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -51,6 +51,7 @@ #define IMX355_EXPOSURE_MIN 1 #define IMX355_EXPOSURE_STEP 1 #define IMX355_EXPOSURE_DEFAULT 0x0282 +#define IMX355_EXPOSURE_OFFSET 10 /* Analog gain control */ #define IMX355_REG_ANALOG_GAIN CCI_REG16(0x0204) @@ -635,7 +636,7 @@ static int imx355_set_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_VBLANK: /* Update max exposure while meeting expected vblanking */ - max = imx355->cur_mode->height + ctrl->val - 10; + max = imx355->cur_mode->height + ctrl->val - IMX355_EXPOSURE_OFFSET; __v4l2_ctrl_modify_range(imx355->exposure, imx355->exposure->minimum, max, imx355->exposure->step, max); @@ -1130,7 +1131,7 @@ static int imx355_init_controls(struct imx355 *imx355) imx355->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* fll >= exposure time + adjust parameter (default value is 10) */ - exposure_max = mode->fll_def - 10; + exposure_max = mode->fll_def - IMX355_EXPOSURE_OFFSET; imx355->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_EXPOSURE, IMX355_EXPOSURE_MIN, exposure_max, |