| /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 | 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()
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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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| H A D | nw80x.c | 1981 if (gspca_dev->exposure->is_new) in sd_s_ctrl()
1983 gspca_dev->exposure->val); in sd_s_ctrl()
1989 setexposure(gspca_dev, gspca_dev->exposure->val); in sd_s_ctrl()
2014 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
2026 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
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| H A D | ov534_9.c | 1307 static void setexposure(struct gspca_dev *gspca_dev, s32 exposure) in setexposure() argument
1312 sccb_write(gspca_dev, 0x10, expo[exposure]); /* aec[9:2] */ in setexposure()
1729 if (!ctrl->val && gspca_dev->exposure->is_new) in sd_s_ctrl()
1730 setexposure(gspca_dev, gspca_dev->exposure->val); in sd_s_ctrl()
1766 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
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| H A D | sn9c20x.c | 76 struct v4l2_ctrl *exposure; member
1706 set_exposure(gspca_dev, sd->exposure->val); in sd_s_ctrl()
1759 sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, in sd_init_controls()
2055 if (sd->exposure) in sd_start()
2056 set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); in sd_start()
2095 s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure); in do_autoexposure()
2096 s32 max = sd->exposure->maximum - sd->exposure_step; in do_autoexposure()
2097 s32 min = sd->exposure->minimum + sd->exposure_step; in do_autoexposure()
2114 v4l2_ctrl_s_ctrl(sd->exposure, new_exp); in do_autoexposure()
2132 v4l2_ctrl_s_ctrl(sd->exposure, new_exp); in do_autoexposure()
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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 | ov7251.c | 146 struct v4l2_ctrl *exposure; member
864 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure) in ov7251_set_exposure() argument
870 val[0] = (exposure & 0xf000) >> 12; /* goes to OV7251_AEC_EXPO_0 */ in ov7251_set_exposure()
871 val[1] = (exposure & 0x0ff0) >> 4; /* goes to OV7251_AEC_EXPO_1 */ in ov7251_set_exposure()
872 val[2] = (exposure & 0x000f) << 4; /* goes to OV7251_AEC_EXPO_2 */ in ov7251_set_exposure()
1038 __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_s_ctrl()
1039 ov7251->exposure->minimum, in ov7251_s_ctrl()
1041 ov7251->exposure->step, in ov7251_s_ctrl()
1042 min(ov7251->exposure->val, in ov7251_s_ctrl()
1240 ret = __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_set_format()
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| H A D | ov8865.c | 680 struct v4l2_ctrl *exposure; member
2124 static int ov8865_exposure_configure(struct ov8865_sensor *sensor, u32 exposure) in ov8865_exposure_configure() argument
2129 exposure *= 16; in ov8865_exposure_configure()
2132 OV8865_EXPOSURE_CTRL_HH(exposure)); in ov8865_exposure_configure()
2137 OV8865_EXPOSURE_CTRL_H(exposure)); in ov8865_exposure_configure()
2142 OV8865_EXPOSURE_CTRL_L(exposure)); in ov8865_exposure_configure()
2461 __v4l2_ctrl_modify_range(sensor->ctrls.exposure, in ov8865_s_ctrl()
2462 sensor->ctrls.exposure->minimum, in ov8865_s_ctrl()
2464 sensor->ctrls.exposure->step, in ov8865_s_ctrl()
2465 min(sensor->ctrls.exposure->val, in ov8865_s_ctrl()
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| H A D | ov5640.c | 414 struct v4l2_ctrl *exposure; member
1775 static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) in ov5640_set_exposure() argument
1779 exposure <<= 4; in ov5640_set_exposure()
1783 exposure & 0xff); in ov5640_set_exposure()
1788 (exposure >> 8) & 0xff); in ov5640_set_exposure()
1793 (exposure >> 16) & 0x0f); in ov5640_set_exposure()
2938 exposure_val = clamp_t(s32, sensor->ctrls.exposure->val, in ov5640_update_pixel_rate()
2939 sensor->ctrls.exposure->minimum, in ov5640_update_pixel_rate()
2942 __v4l2_ctrl_modify_range(sensor->ctrls.exposure, in ov5640_update_pixel_rate()
2943 sensor->ctrls.exposure->minimum, in ov5640_update_pixel_rate()
[all …]
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| H A D | ov02c10.c | 383 struct v4l2_ctrl *exposure; member
426 __v4l2_ctrl_modify_range(ov02c10->exposure, in ov02c10_set_ctrl()
427 ov02c10->exposure->minimum, in ov02c10_set_ctrl()
428 exposure_max, ov02c10->exposure->step, in ov02c10_set_ctrl()
543 ov02c10->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov02c10_ctrl_ops, in ov02c10_init_controls()
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| H A D | gc05a2.c | 94 struct v4l2_ctrl *exposure; member
707 ret = __v4l2_ctrl_modify_range(gc05a2->exposure, GC05A2_EXP_MIN, in gc05a2_update_cur_mode_controls()
894 __v4l2_ctrl_modify_range(gc05a2->exposure, in gc05a2_set_ctrl()
895 gc05a2->exposure->minimum, in gc05a2_set_ctrl()
896 exposure_max, gc05a2->exposure->step, in gc05a2_set_ctrl()
1182 gc05a2->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, in gc05a2_init_controls()
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| H A D | gc08a3.c | 94 struct v4l2_ctrl *exposure; member
682 ret = __v4l2_ctrl_modify_range(gc08a3->exposure, GC08A3_EXP_MIN, in gc08a3_update_cur_mode_controls()
864 __v4l2_ctrl_modify_range(gc08a3->exposure, in gc08a3_set_ctrl()
865 gc08a3->exposure->minimum, in gc08a3_set_ctrl()
866 exposure_max, gc08a3->exposure->step, in gc08a3_set_ctrl()
1126 gc08a3->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &gc08a3_ctrl_ops, in gc08a3_init_controls()
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| H A D | ov5675.c | 510 struct v4l2_ctrl *exposure; member
712 __v4l2_ctrl_modify_range(ov5675->exposure, in ov5675_set_ctrl()
713 ov5675->exposure->minimum, in ov5675_set_ctrl()
714 exposure_max, ov5675->exposure->step, in ov5675_set_ctrl()
822 ov5675->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5675_ctrl_ops, in ov5675_init_controls()
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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-ov2722.c | 325 static int ov2722_set_exposure(struct v4l2_subdev *sd, int exposure, in ov2722_set_exposure() argument
332 ret = __ov2722_set_exposure(sd, exposure, gain, digitgain); in ov2722_set_exposure()
339 struct atomisp_exposure *exposure) in ov2722_s_exposure() argument
341 int exp = exposure->integration_time[0]; in ov2722_s_exposure()
342 int gain = exposure->gain[0]; in ov2722_s_exposure()
343 int digitgain = exposure->gain[1]; in ov2722_s_exposure()
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| /linux/drivers/media/usb/gspca/stv06xx/ |
| H A D | stv06xx_pb0100.c | 42 struct v4l2_ctrl *exposure; member
93 err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val); in pb0100_s_ctrl()
136 ctrls->exposure = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops, in pb0100_init_controls()
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| /linux/drivers/platform/x86/intel/int1092/ |
| H A D | Kconfig | 5 This driver helps to limit the exposure of human body to RF frequency by
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