| /linux-6.15/drivers/media/usb/gspca/ |
| H A D | autogain_functions.c | 43 exposure--; in gspca_expo_autogain()
46 else if (exposure > gspca_dev->exposure->minimum) in gspca_expo_autogain()
47 exposure--; in gspca_expo_autogain()
56 exposure++; in gspca_expo_autogain()
59 else if (exposure < gspca_dev->exposure->maximum) in gspca_expo_autogain()
73 v4l2_ctrl_s_ctrl(gspca_dev->exposure, exposure); in gspca_expo_autogain()
124 exposure < gspca_dev->exposure->maximum) { in gspca_coarse_grained_expo_autogain()
129 exposure > gspca_dev->exposure->minimum) { in gspca_coarse_grained_expo_autogain()
144 exposure--; in gspca_coarse_grained_expo_autogain()
147 exposure++; in gspca_coarse_grained_expo_autogain()
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| H A D | cpia1.c | 278 } exposure; member
628 params->exposure.gainMode = 4; in reset_camera_params()
630 params->exposure.compMode = 1; in reset_camera_params()
632 params->exposure.gain = 0; in reset_camera_params()
633 params->exposure.fineExp = 0; in reset_camera_params()
840 sd->params.exposure.gain, in command_setexposure()
856 sd->params.exposure.gain, in command_setexposure()
1033 sd->params.exposure.gain = 0; in set_flicker()
1089 ++sd->params.exposure.gain; in set_flicker()
1344 --sd->params.exposure.gain; in monitor_exposure()
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| H A D | mr97310a.c | 75 struct v4l2_ctrl *exposure; member
811 int exposure = MR97310A_EXPOSURE_DEFAULT; in setexposure() local
817 exposure = (expo * 9267) / 10000 + 300; in setexposure()
821 exposure = expo; in setexposure()
822 exposure >>= 3; in setexposure()
847 if (exposure > 511) in setexposure()
848 exposure = 511; in setexposure()
851 exposure = 511 - exposure; in setexposure()
853 buf[0] = exposure & 0xff; in setexposure()
854 buf[1] = exposure >> 8; in setexposure()
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| H A D | sonixb.c | 687 u16 reg = gspca_dev->exposure->val; in setexposure()
699 u8 reg = gspca_dev->exposure->val; in setexposure()
751 reg10 = (gspca_dev->exposure->val * 15 * reg10_max) in setexposure()
796 if (gspca_dev->exposure->val < 200) { in setexposure()
804 framerate_ctrl = (gspca_dev->exposure->val - 200) in setexposure()
826 if (gspca_dev->exposure->val < 150) { in setexposure()
827 i2cpexpo[3] = 150 - gspca_dev->exposure->val; in setexposure()
833 framerate_ctrl = (gspca_dev->exposure->val - 150) in setexposure()
903 if (gspca_dev->exposure->maximum < 500) { in do_autogain()
967 gspca_dev->exposure->val = gspca_dev->exposure->default_value; in sd_s_ctrl()
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| H A D | pac7302.c | 489 u16 exposure; in setexposure() local
496 clockdiv = (90 * gspca_dev->exposure->val + 1999) / 2000; in setexposure()
521 exposure = (gspca_dev->exposure->val * 45 * 448) / (1000 * clockdiv); in setexposure()
523 exposure = 448 - exposure; in setexposure()
527 reg_w(gspca_dev, 0x0e, exposure & 0xff); in setexposure()
528 reg_w(gspca_dev, 0x0f, exposure >> 8); in setexposure()
584 gspca_dev->exposure->val = PAC7302_EXPOSURE_DEFAULT; in sd_s_ctrl()
609 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val)) in sd_s_ctrl()
662 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
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| H A D | dtcs033.c | 182 struct v4l2_ctrl *exposure; member
206 sd->exposure->val, ctrl->val); in sd_s_ctrl()
224 sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in dtcs033_init_controls()
236 v4l2_ctrl_cluster(2, &sd->exposure); in dtcs033_init_controls()
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| H A D | topro.c | 3982 setexposure(gspca_dev, gspca_dev->exposure->val, in sd_setgain()
3986 setexposure(gspca_dev, gspca_dev->exposure->val, in sd_setgain()
4237 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in cx0342_6800_start()
4242 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in cx0342_6800_start()
4457 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6800_start()
4568 v4l2_ctrl_g_ctrl(gspca_dev->exposure), in sd_start()
4574 v4l2_ctrl_g_ctrl(gspca_dev->exposure), in sd_start()
4744 expo = v4l2_ctrl_g_ctrl(gspca_dev->exposure); in sd_dq_callback()
4752 int new_expo = v4l2_ctrl_g_ctrl(gspca_dev->exposure); in sd_dq_callback()
4886 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
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| H A D | sonixj.c | 41 u32 exposure; member
1954 rexpo[3] = gspca_dev->exposure->val >> 8; in setexposure()
1958 rexpo[3] = gspca_dev->exposure->val; in setexposure()
2597 expotimes = sd->exposure; in do_autogain()
2601 sd->exposure = expo_adjust(gspca_dev, in do_autogain()
2605 expotimes = sd->exposure >> 8; in do_autogain()
2609 sd->exposure = expo_adjust(gspca_dev, in do_autogain()
2614 expotimes = sd->exposure; in do_autogain()
2618 sd->exposure = expo_adjust(gspca_dev, in do_autogain()
2626 expotimes = sd->exposure; in do_autogain()
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| H A D | pac207.c | 214 gspca_dev->exposure->val = PAC207_EXPOSURE_DEFAULT; in sd_s_ctrl()
227 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val)) in sd_s_ctrl()
229 gspca_dev->exposure->val); in sd_s_ctrl()
259 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
299 v4l2_ctrl_g_ctrl(gspca_dev->exposure)); /* PXCK = 12MHz /n */ in sd_start()
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| H A D | pac7311.c | 369 gspca_dev->exposure->val = PAC7311_EXPOSURE_DEFAULT; in sd_s_ctrl()
382 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val)) in sd_s_ctrl()
383 setexposure(gspca_dev, gspca_dev->exposure->val); in sd_s_ctrl()
413 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
442 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure)); in sd_start()
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| /linux-6.15/Documentation/userspace-api/media/drivers/ |
| H A D | vgxy61.rst | 11 captures of the same scene using two different exposure periods.
19 - The merger outputs a long exposure capture as long as it is not
22 - This involves subtracting the short exposure frame from the long
23 exposure frame.
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| /linux-6.15/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-camera.rst | 23 .. _v4l2-exposure-auto-type:
29 Enables automatic adjustments of the exposure time and/or iris
42 - Automatic exposure time, automatic iris aperture.
44 - Manual exposure time, manual iris.
46 - Manual exposure time, auto iris.
48 - Auto exposure time, manual iris.
53 Determines the exposure time of the camera sensor. The exposure time
76 .. _v4l2-exposure-metering:
83 the frame exposure. Possible values are:
326 different exposure times. [#f1]_
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| /linux-6.15/drivers/media/i2c/ |
| H A D | ov5693.c | 164 struct v4l2_ctrl *exposure; member
388 u64 exposure; in ov5693_get_exposure() local
397 *value = exposure >> 4; in ov5693_get_exposure()
403 u32 exposure) in ov5693_exposure_configure() argument
407 exposure = (exposure << 4) & OV5693_EXPOSURE_CTRL_MASK; in ov5693_exposure_configure()
487 ov5693->ctrls.exposure->minimum, in ov5693_s_ctrl()
489 ov5693->ctrls.exposure->step, in ov5693_s_ctrl()
490 min(ov5693->ctrls.exposure->val, in ov5693_s_ctrl()
874 __v4l2_ctrl_modify_range(ov5693->ctrls.exposure, in ov5693_set_fmt()
876 ov5693->ctrls.exposure->step, in ov5693_set_fmt()
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| H A D | ov9650.c | 204 struct v4l2_ctrl *exposure; member
560 struct v4l2_ctrl *ctrl = ov965x->ctrls.exposure; in ov965x_update_exposure_ctrl()
779 if (!auto_exposure && ctrls->exposure->is_new) { in ov965x_set_exposure()
780 unsigned int exposure = (ctrls->exposure->val * 100) in ov965x_set_exposure() local
789 (exposure >> 2) & 0xff); in ov965x_set_exposure()
792 (exposure >> 10) & 0x3f); in ov965x_set_exposure()
794 ctrls->exposure->val = ((exposure * ov965x->exp_row_interval) in ov965x_set_exposure()
857 unsigned int exposure, gain, m; in __g_volatile_ctrl() local
891 exposure = ((reg2 & 0x3f) << 10) | (reg1 << 2) | in __g_volatile_ctrl()
893 ov965x->ctrls.exposure->val = ((exposure * in __g_volatile_ctrl()
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| H A D | mt9v011.c | 59 u16 global_gain, exposure; member
177 u16 exposure; in set_balance() local
180 exposure = core->exposure; in set_balance()
196 mt9v011_write(sd, R09_MT9V011_SHUTTER_WIDTH, exposure); in set_balance()
438 core->exposure = ctrl->val; in mt9v011_s_ctrl()
550 core->exposure = 0x01fc; in mt9v011_probe()
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| H A D | ov08d10.c | 531 struct v4l2_ctrl *exposure; member
724 static int ov08d10_set_exposure(struct ov08d10 *ov08d10, u32 exposure) in ov08d10_set_exposure() argument
741 exposure = exposure * exp_cal / (cur_vts - OV08D10_EXPOSURE_MAX_MARGIN); in ov08d10_set_exposure()
748 val = ((exposure >> 16) & 0xFF); in ov08d10_set_exposure()
753 val = ((exposure >> 8) & 0xFF); in ov08d10_set_exposure()
758 val = exposure & 0xFF; in ov08d10_set_exposure()
861 __v4l2_ctrl_modify_range(ov08d10->exposure, in ov08d10_set_ctrl()
862 ov08d10->exposure->minimum, in ov08d10_set_ctrl()
863 exposure_max, ov08d10->exposure->step, in ov08d10_set_ctrl()
976 ov08d10->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, in ov08d10_init_controls()
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| H A D | ov7251.c | 147 struct v4l2_ctrl *exposure; member
865 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure) in ov7251_set_exposure() argument
871 val[0] = (exposure & 0xf000) >> 12; /* goes to OV7251_AEC_EXPO_0 */ in ov7251_set_exposure()
1039 __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_s_ctrl()
1040 ov7251->exposure->minimum, in ov7251_s_ctrl()
1042 ov7251->exposure->step, in ov7251_s_ctrl()
1043 min(ov7251->exposure->val, in ov7251_s_ctrl()
1241 ret = __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_set_format()
1247 ret = __v4l2_ctrl_s_ctrl(ov7251->exposure, in ov7251_set_format()
1429 ret = __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_set_frame_interval()
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| H A D | imx412.c | 543 static int imx412_update_exp_gain(struct imx412 *imx412, u32 exposure, u32 gain) in imx412_update_exp_gain() argument
551 exposure, gain, lpfr); in imx412_update_exp_gain()
561 ret = imx412_write_reg(imx412, IMX412_REG_EXPOSURE_CIT, 2, exposure); in imx412_update_exp_gain()
590 u32 exposure; in imx412_set_ctrl() local
613 exposure = ctrl->val; in imx412_set_ctrl()
617 exposure, analog_gain); in imx412_set_ctrl()
619 ret = imx412_update_exp_gain(imx412, exposure, analog_gain); in imx412_set_ctrl()
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| H A D | ar0521.c | 109 struct v4l2_ctrl *exposure; member
516 ret = __v4l2_ctrl_modify_range(sensor->ctrls.exposure, in ar0521_set_fmt()
517 sensor->ctrls.exposure->minimum, in ar0521_set_fmt()
519 sensor->ctrls.exposure->step, in ar0521_set_fmt()
520 sensor->ctrls.exposure->default_value); in ar0521_set_fmt()
539 __v4l2_ctrl_modify_range(sensor->ctrls.exposure, in ar0521_s_ctrl()
540 sensor->ctrls.exposure->minimum, in ar0521_s_ctrl()
541 exp_max, sensor->ctrls.exposure->step, in ar0521_s_ctrl()
542 sensor->ctrls.exposure->default_value); in ar0521_s_ctrl()
644 ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, 0, in ar0521_init_controls()
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| H A D | imx335.c | 468 static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain) in imx335_update_exp_gain() argument
475 shutter = lpfr - exposure; in imx335_update_exp_gain()
478 exposure, gain, shutter, lpfr); in imx335_update_exp_gain()
551 u32 exposure; in imx335_set_ctrl() local
581 exposure = imx335->exp_ctrl->val; in imx335_set_ctrl()
584 ret = imx335_update_exp_gain(imx335, exposure, analog_gain); in imx335_set_ctrl()
588 exposure = ctrl->val; in imx335_set_ctrl()
592 exposure, analog_gain); in imx335_set_ctrl()
594 ret = imx335_update_exp_gain(imx335, exposure, analog_gain); in imx335_set_ctrl()
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| H A D | ov2685.c | 98 struct v4l2_ctrl *exposure; member
595 __v4l2_ctrl_modify_range(ov2685->exposure, in ov2685_set_ctrl()
596 ov2685->exposure->minimum, max_expo, in ov2685_set_ctrl()
597 ov2685->exposure->step, in ov2685_set_ctrl()
598 ov2685->exposure->default_value); in ov2685_set_ctrl()
701 ov2685->exposure = v4l2_ctrl_new_std(handler, &ov2685_ctrl_ops, in ov2685_initialize_controls()
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| H A D | imx334.c | 659 static int imx334_update_exp_gain(struct imx334 *imx334, u32 exposure, u32 gain) in imx334_update_exp_gain() argument
665 shutter = lpfr - exposure; in imx334_update_exp_gain()
668 exposure, gain, shutter, lpfr); in imx334_update_exp_gain()
707 u32 exposure; in imx334_set_ctrl() local
731 exposure = ctrl->val; in imx334_set_ctrl()
735 exposure, analog_gain); in imx334_set_ctrl()
737 ret = imx334_update_exp_gain(imx334, exposure, analog_gain); in imx334_set_ctrl()
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| /linux-6.15/drivers/staging/media/atomisp/i2c/ |
| H A D | atomisp-mt9m114.c | 771 struct atomisp_exposure *exposure) in mt9m114_s_exposure() argument
783 exposure->integration_time[0], exposure->gain[0], in mt9m114_s_exposure()
784 exposure->gain[1]); in mt9m114_s_exposure()
786 coarse_integration = exposure->integration_time[0]; in mt9m114_s_exposure()
792 analog_gain = exposure->gain[0]; in mt9m114_s_exposure()
793 digital_gain = exposure->gain[1]; in mt9m114_s_exposure()
1408 struct atomisp_exposure exposure; in mt9m114_s_stream() local
1417 exposure.integration_time[0] = dev->first_exp; in mt9m114_s_stream()
1418 exposure.gain[0] = dev->first_gain; in mt9m114_s_stream()
1419 exposure.gain[1] = dev->first_diggain; in mt9m114_s_stream()
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| H A D | atomisp-gc2235.c | 249 static int gc2235_set_exposure(struct v4l2_subdev *sd, int exposure, in gc2235_set_exposure() argument
256 ret = __gc2235_set_exposure(sd, exposure, gain, digitgain); in gc2235_set_exposure()
263 struct atomisp_exposure *exposure) in gc2235_s_exposure() argument
265 int exp = exposure->integration_time[0]; in gc2235_s_exposure()
266 int gain = exposure->gain[0]; in gc2235_s_exposure()
267 int digitgain = exposure->gain[1]; in gc2235_s_exposure()
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| /linux-6.15/drivers/media/usb/pwc/ |
| H A D | pwc-v4l.c | 259 pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, in pwc_init_controls()
271 pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, in pwc_init_controls()
276 pdev->autogain_expo_cluster[2] = pdev->exposure; in pwc_init_controls()
561 pdev->exposure->val = pdev->last_exposure; in pwc_g_volatile_ctrl()
566 &pdev->exposure->val); in pwc_g_volatile_ctrl()
569 pdev->last_exposure = pdev->exposure->val; in pwc_g_volatile_ctrl()
676 if (pdev->exposure->is_new) { in pwc_set_exposure_auto()
679 pdev->exposure->val); in pwc_set_exposure_auto()
715 if (pdev->exposure->is_new) { in pwc_set_autogain_expo()
718 pdev->exposure->val); in pwc_set_autogain_expo()
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