| /linux/drivers/media/usb/gspca/ |
| H A D | autogain_functions.c | 22 s32 gain, orig_gain, exposure, orig_exposure; in gspca_expo_autogain() local
29 orig_exposure = exposure = v4l2_ctrl_g_ctrl(gspca_dev->exposure); in gspca_expo_autogain()
42 else if (exposure > exposure_knee) in gspca_expo_autogain()
43 exposure--; in gspca_expo_autogain()
46 else if (exposure > gspca_dev->exposure->minimum) in gspca_expo_autogain()
47 exposure--; in gspca_expo_autogain()
55 else if (exposure < exposure_knee) in gspca_expo_autogain()
56 exposure++; in gspca_expo_autogain()
59 else if (exposure < gspca_dev->exposure->maximum) in gspca_expo_autogain()
60 exposure++; in gspca_expo_autogain()
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| H A D | cpia1.c | 278 } exposure; member
520 sd->params.exposure.gain = gspca_dev->usb_buf[0]; in do_command()
521 sd->params.exposure.fineExp = gspca_dev->usb_buf[1]; in do_command()
522 sd->params.exposure.coarseExpLo = gspca_dev->usb_buf[2]; in do_command()
523 sd->params.exposure.coarseExpHi = gspca_dev->usb_buf[3]; in do_command()
524 sd->params.exposure.redComp = gspca_dev->usb_buf[4]; in do_command()
525 sd->params.exposure.green1Comp = gspca_dev->usb_buf[5]; in do_command()
526 sd->params.exposure.green2Comp = gspca_dev->usb_buf[6]; in do_command()
527 sd->params.exposure.blueComp = gspca_dev->usb_buf[7]; in do_command()
628 params->exposure.gainMode = 4; in reset_camera_params()
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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()
818 sensor_write1(gspca_dev, 3, exposure >> 4); in setexposure()
819 sensor_write1(gspca_dev, 4, exposure & 0x0f); in setexposure()
821 exposure = expo; in setexposure()
822 exposure >>= 3; in setexposure()
823 sensor_write1(gspca_dev, 3, exposure >> 8); in setexposure()
824 sensor_write1(gspca_dev, 4, exposure & 0xff); in setexposure()
846 exposure = (60 * 511 * expo) / (8000 * clockdiv); 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()
736 reg11 = (15 * gspca_dev->exposure->val + 999) / 1000; in setexposure()
751 reg10 = (gspca_dev->exposure->val * 15 * reg10_max) in setexposure()
796 if (gspca_dev->exposure->val < 200) { in setexposure()
797 i2cpexpo[3] = 255 - (gspca_dev->exposure->val * 255) 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()
[all …]
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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 | sonixj.c | 41 u32 exposure; member
1653 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
1816 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1821 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1825 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1829 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1833 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1837 sd->exposure = expo_adjust(gspca_dev, expo); in setbrightness()
1954 rexpo[3] = gspca_dev->exposure->val >> 8; in setexposure()
1958 rexpo[3] = gspca_dev->exposure->val; in setexposure()
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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()
4462 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6800_start()
4496 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6810_start()
4501 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6810_start()
4533 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6810_start()
4538 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure), in soi763a_6810_start()
[all …]
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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/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/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-camera.rst | 24 .. _v4l2-exposure-auto-type:
30 Enables automatic adjustments of the exposure time and/or iris
31 aperture. The effect of manual changes of the exposure time or iris
43 - Automatic exposure time, automatic iris aperture.
45 - Manual exposure time, manual iris.
47 - Manual exposure time, auto iris.
49 - Auto exposure time, manual iris.
54 Determines the exposure time of the camera sensor. The exposure time
66 Determines the automatic exposure compensation, it is effective only
72 Increasing the exposure compensation value is equivalent to
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| /linux/drivers/media/i2c/ |
| H A D | ov5693.c | 164 struct v4l2_ctrl *exposure; member
388 u64 exposure; in ov5693_get_exposure() local
391 ret = cci_read(ov5693->regmap, OV5693_EXPOSURE_CTRL_REG, &exposure, in ov5693_get_exposure()
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()
409 cci_write(ov5693->regmap, OV5693_EXPOSURE_CTRL_REG, exposure, &ret); in ov5693_exposure_configure()
486 __v4l2_ctrl_modify_range(ov5693->ctrls.exposure, in ov5693_s_ctrl()
487 ov5693->ctrls.exposure->minimum, in ov5693_s_ctrl()
489 ov5693->ctrls.exposure->step, in ov5693_s_ctrl()
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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
786 ret = ov965x_write(ov965x, REG_COM1, exposure & 0x3); in ov965x_set_exposure()
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()
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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 | 532 struct v4l2_ctrl *exposure; member
725 static int ov08d10_set_exposure(struct ov08d10 *ov08d10, u32 exposure) in ov08d10_set_exposure() argument
742 exposure = exposure * exp_cal / (cur_vts - OV08D10_EXPOSURE_MAX_MARGIN); in ov08d10_set_exposure()
749 val = ((exposure >> 16) & 0xFF); in ov08d10_set_exposure()
754 val = ((exposure >> 8) & 0xFF); in ov08d10_set_exposure()
759 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()
872 val[1] = (exposure & 0x0ff0) >> 4; /* goes to OV7251_AEC_EXPO_1 */ in ov7251_set_exposure()
873 val[2] = (exposure & 0x000f) << 4; /* goes to OV7251_AEC_EXPO_2 */ 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()
[all …]
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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 | imx334.c | 545 static int imx334_update_exp_gain(struct imx334 *imx334, u32 exposure, u32 gain) in imx334_update_exp_gain() argument
552 shutter = lpfr - exposure; in imx334_update_exp_gain()
555 exposure, gain, shutter, lpfr); in imx334_update_exp_gain()
586 u32 exposure; in imx334_set_ctrl() local
612 exposure = imx334->exp_ctrl->val; in imx334_set_ctrl()
615 ret = imx334_update_exp_gain(imx334, exposure, analog_gain); in imx334_set_ctrl()
620 exposure = ctrl->val; in imx334_set_ctrl()
624 exposure, analog_gain); in imx334_set_ctrl()
626 ret = imx334_update_exp_gain(imx334, exposure, analog_gain); in imx334_set_ctrl()
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| H A D | imx335.c | 622 static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain) in imx335_update_exp_gain() argument
629 shutter = lpfr - exposure; in imx335_update_exp_gain()
632 exposure, gain, shutter, lpfr); in imx335_update_exp_gain()
718 u32 exposure; in imx335_set_ctrl() local
752 exposure = imx335->exp_ctrl->val; in imx335_set_ctrl()
755 ret = imx335_update_exp_gain(imx335, exposure, analog_gain); in imx335_set_ctrl()
759 exposure = ctrl->val; in imx335_set_ctrl()
763 exposure, analog_gain); in imx335_set_ctrl()
765 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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| /linux/Documentation/admin-guide/hw-vuln/ |
| H A D | old_microcode.rst | 12 You should update the CPU microcode to mitigate any exposure. This is
19 Just like all the other hardware vulnerabilities, exposure is
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| /linux/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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| /linux/drivers/staging/media/atomisp/i2c/ |
| 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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