diff options
| author | Richard Leitner <richard.leitner@linux.dev> | 2025-12-09 23:44:40 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2026-01-16 14:08:53 +0100 |
| commit | f007ad65d7246d6b616541a3c7685ec688ca6beb (patch) | |
| tree | 8612093ac566281583030795b174399d0a73f478 /drivers | |
| parent | 47bc0d294d66a7019f13aa65e8b32aee4532869e (diff) | |
media: i2c: ov9282: add strobe output enable v4l2 control
Add V4L2_CID_FLASH_STROBE_OE enable/disable support using the
"strobe output enable" feature of the sensor.
All values are based on the OV9281 datasheet v1.53 (january 2019) and
tested using an ov9281 VisionComponents module.
Signed-off-by: Richard Leitner <richard.leitner@linux.dev>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/i2c/ov9282.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/media/i2c/ov9282.c b/drivers/media/i2c/ov9282.c index d7448728cdd1..cd4d234d7056 100644 --- a/drivers/media/i2c/ov9282.c +++ b/drivers/media/i2c/ov9282.c @@ -670,6 +670,23 @@ static int ov9282_set_ctrl_vflip(struct ov9282 *ov9282, int value) current_val); } +static int ov9282_set_ctrl_flash_strobe_oe(struct ov9282 *ov9282, bool enable) +{ + u32 current_val; + int ret; + + ret = ov9282_read_reg(ov9282, OV9282_REG_OUTPUT_ENABLE6, 1, ¤t_val); + if (ret) + return ret; + + if (enable) + current_val |= OV9282_OUTPUT_ENABLE6_STROBE; + else + current_val &= ~OV9282_OUTPUT_ENABLE6_STROBE; + + return ov9282_write_reg(ov9282, OV9282_REG_OUTPUT_ENABLE6, 1, current_val); +} + /** * ov9282_set_ctrl() - Set subdevice control * @ctrl: pointer to v4l2_ctrl structure @@ -736,6 +753,9 @@ static int ov9282_set_ctrl(struct v4l2_ctrl *ctrl) ret = ov9282_write_reg(ov9282, OV9282_REG_TIMING_HTS, 2, (ctrl->val + ov9282->cur_mode->width) >> 1); break; + case V4L2_CID_FLASH_STROBE_OE: + ret = ov9282_set_ctrl_flash_strobe_oe(ov9282, ctrl->val); + break; default: dev_err(ov9282->dev, "Invalid control %d", ctrl->id); ret = -EINVAL; @@ -1325,7 +1345,7 @@ static int ov9282_init_controls(struct ov9282 *ov9282) u32 lpfr; int ret; - ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 11); if (ret) return ret; @@ -1390,6 +1410,10 @@ static int ov9282_init_controls(struct ov9282 *ov9282) OV9282_TIMING_HTS_MAX - mode->width, 1, hblank_min); + /* Flash/Strobe controls */ + v4l2_ctrl_new_std(ctrl_hdlr, &ov9282_ctrl_ops, + V4L2_CID_FLASH_STROBE_OE, 0, 1, 1, 0); + ret = v4l2_fwnode_device_parse(ov9282->dev, &props); if (!ret) { /* Failure sets ctrl_hdlr->error, which we check afterwards anyway */ |