Searched refs:exposure (Results 1 - 25 of 84) sorted by relevance

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/linux-master/drivers/media/usb/gspca/
H A Dautogain_functions.c9 /* auto gain and exposure algorithm based on the knee algorithm described here:
12 Returns 0 if no changes were made, 1 if the gain and or exposure settings
22 s32 gain, orig_gain, exposure, orig_exposure; local
29 orig_exposure = exposure = v4l2_ctrl_g_ctrl(gspca_dev->exposure);
42 else if (exposure > exposure_knee)
43 exposure--;
46 else if (exposure > gspca_dev->exposure->minimum)
47 exposure
102 s32 gain_low, gain_high, gain, orig_gain, exposure, orig_exposure; local
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H A Dcpia1.c117 /* exposure status */
278 } exposure; member in struct:cam_params
520 sd->params.exposure.gain = gspca_dev->usb_buf[0];
521 sd->params.exposure.fineExp = gspca_dev->usb_buf[1];
522 sd->params.exposure.coarseExpLo = gspca_dev->usb_buf[2];
523 sd->params.exposure.coarseExpHi = gspca_dev->usb_buf[3];
524 sd->params.exposure.redComp = gspca_dev->usb_buf[4];
525 sd->params.exposure.green1Comp = gspca_dev->usb_buf[5];
526 sd->params.exposure.green2Comp = gspca_dev->usb_buf[6];
527 sd->params.exposure
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H A Dmr97310a.c74 struct { /* exposure/min_clockdiv control cluster */
75 struct v4l2_ctrl *exposure; member in struct:sd::__anon1418
699 /* Reg 3 msb and 4 is lsb of the exposure setting*/
811 int exposure = MR97310A_EXPOSURE_DEFAULT; local
815 /* This cam does not like exposure settings < 300,
817 exposure = (expo * 9267) / 10000 + 300;
818 sensor_write1(gspca_dev, 3, exposure >> 4);
819 sensor_write1(gspca_dev, 4, exposure & 0x0f);
821 exposure = expo;
822 exposure >>
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H A Dpac207.c212 exposure knee graph, and give this change time to
214 gspca_dev->exposure->val = PAC207_EXPOSURE_DEFAULT;
227 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
229 gspca_dev->exposure->val);
259 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
299 v4l2_ctrl_g_ctrl(gspca_dev->exposure)); /* PXCK = 12MHz /n */
H A Dpac7302.c53 * 0x0f Exposure bit 8, 0-448, 448 = no exposure at all
489 u16 exposure; local
493 * no fps according to the formula: 90 / reg. sd->exposure is the
494 * desired exposure time in 0.5 ms.
496 clockdiv = (90 * gspca_dev->exposure->val + 1999) / 2000;
512 * using the partial frame time exposure control.
518 * frame exposure time in ms = 1000 * clockdiv / 90 ->
519 * exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90)
521 exposure
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H A Dsonixb.c29 0x19 high-nibble is sensor clock divider, changes exposure on sensors which
115 if we adjust the gain or exposure we must ignore at least the next frame for
282 0x05 Shutter Time Line Offset, this can be used as an exposure control:
283 0 = use full frame time, 255 = no exposure at all
285 When var-framerate control is < 514, no exposure is reached at the max
287 0x06 Shutter Time Pixel Offset, like reg05 this influences exposure, but
358 leave at 1 otherwise we get a jump in our exposure control
359 0x0f Exposure 0-255, 0 = use full frame time, 255 = no exposure at all
416 * shutter 0x47 short exposure? */
418 /* shutter 0x01 long exposure */
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H A Dvicam.c105 s32 expo = v4l2_ctrl_g_ctrl(gspca_dev->exposure);
139 /* bytes 9-15 do not seem to affect exposure or image quality */
294 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, NULL,
H A Dpac7311.c367 exposure knee graph, and give this change time to
369 gspca_dev->exposure->val = PAC7311_EXPOSURE_DEFAULT;
382 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
383 setexposure(gspca_dev, gspca_dev->exposure->val);
413 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
442 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(gspca_dev->exposure));
H A Ddtcs033.c146 /* -- controls: exposure and gain -- */
157 /* exposure time [msec] encoding */
180 /* exposure & gain controls */
182 struct v4l2_ctrl *exposure; member in struct:sd::__anon179
206 sd->exposure->val, ctrl->val);
224 sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
236 v4l2_ctrl_cluster(2, &sd->exposure);
/linux-master/drivers/media/i2c/
H A Dov5693.c165 struct v4l2_ctrl *exposure; member in struct:ov5693_device::ov5693_v4l2_ctrls
389 u64 exposure; local
392 ret = cci_read(ov5693->regmap, OV5693_EXPOSURE_CTRL_REG, &exposure,
398 *value = exposure >> 4;
404 u32 exposure)
408 exposure = (exposure << 4) & OV5693_EXPOSURE_CTRL_MASK;
410 cci_write(ov5693->regmap, OV5693_EXPOSURE_CTRL_REG, exposure, &ret);
424 /* As with exposure, the lowest 4 bits are fractional bits. */
481 /* If VBLANK is altered we need to update exposure t
403 ov5693_exposure_configure(struct ov5693_device *ov5693, u32 exposure) argument
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H A Dmt9v011.c59 u16 global_gain, exposure; member in struct:mt9v011
177 u16 exposure; local
180 exposure = core->exposure;
196 mt9v011_write(sd, R09_MT9V011_SHUTTER_WIDTH, exposure);
438 core->exposure = ctrl->val;
550 core->exposure = 0x01fc;
H A Dov9650.c86 #define COM8_AEC 0x01 /* Auto exposure enable */
204 struct v4l2_ctrl *exposure; member in struct:ov965x_ctrls::__anon1093
560 struct v4l2_ctrl *ctrl = ov965x->ctrls.exposure;
583 /* Update exposure time range to match current frame format. */
610 /* Set minimal exposure time for 50/60 HZ lighting */
779 if (!auto_exposure && ctrls->exposure->is_new) {
780 unsigned int exposure = (ctrls->exposure->val * 100) local
783 * Manual exposure value
786 ret = ov965x_write(ov965x, REG_COM1, exposure
857 unsigned int exposure, gain, m; local
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H A Dov08d10.c531 struct v4l2_ctrl *exposure; member in struct:ov08d10
724 static int ov08d10_set_exposure(struct ov08d10 *ov08d10, u32 exposure) argument
741 exposure = exposure * exp_cal / (cur_vts - OV08D10_EXPOSURE_MAX_MARGIN);
747 /* update exposure */
748 val = ((exposure >> 16) & 0xFF);
753 val = ((exposure >> 8) & 0xFF);
758 val = exposure & 0xFF;
858 /* Update max exposure while meeting expected vblanking */
861 __v4l2_ctrl_modify_range(ov08d10->exposure,
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H A Dimx219.c330 struct v4l2_ctrl *exposure; member in struct:imx219
382 /* Update max exposure while meeting expected vblanking */
386 __v4l2_ctrl_modify_range(imx219->exposure,
387 imx219->exposure->minimum,
388 exposure_max, imx219->exposure->step,
494 /* Initial vblank/hblank/exposure parameters based on current mode */
508 imx219->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops,
856 /* Update max exposure while meeting expected vblanking */
860 __v4l2_ctrl_modify_range(imx219->exposure,
861 imx219->exposure
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H A Dov7251.c147 struct v4l2_ctrl *exposure; member in struct:ov7251
865 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure) argument
871 val[0] = (exposure & 0xf000) >> 12; /* goes to OV7251_AEC_EXPO_0 */
872 val[1] = (exposure & 0x0ff0) >> 4; /* goes to OV7251_AEC_EXPO_1 */
873 val[2] = (exposure & 0x000f) << 4; /* goes to OV7251_AEC_EXPO_2 */
1031 /* If VBLANK is altered we need to update exposure to compensate */
1037 __v4l2_ctrl_modify_range(ov7251->exposure,
1038 ov7251->exposure->minimum,
1040 ov7251->exposure->step,
1041 min(ov7251->exposure
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H A Dar0521.c109 struct v4l2_ctrl *exposure; member in struct:ar0521_ctrls
486 * Update the exposure and blankings limits. Blankings are also reset
516 ret = __v4l2_ctrl_modify_range(sensor->ctrls.exposure,
517 sensor->ctrls.exposure->minimum,
519 sensor->ctrls.exposure->step,
520 sensor->ctrls.exposure->default_value);
539 __v4l2_ctrl_modify_range(sensor->ctrls.exposure,
540 sensor->ctrls.exposure->minimum,
541 exp_max, sensor->ctrls.exposure->step,
542 sensor->ctrls.exposure
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H A Dov9282.c160 * @exp_ctrl: Pointer to exposure control
577 * ov9282_update_exp_gain() - Set updated exposure and gain
579 * @exposure: updated exposure value
584 static int ov9282_update_exp_gain(struct ov9282 *ov9282, u32 exposure, u32 gain) argument
589 exposure, gain);
595 ret = ov9282_write_reg(ov9282, OV9282_REG_EXPOSURE, 3, exposure << 4);
658 u32 exposure; local
685 exposure = ctrl->val;
689 exposure, analog_gai
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H A Dimx412.c125 * @exp_ctrl: Pointer to exposure control
536 * imx412_update_exp_gain() - Set updated exposure and gain
538 * @exposure: updated exposure value
543 static int imx412_update_exp_gain(struct imx412 *imx412, u32 exposure, u32 gain) argument
549 shutter = lpfr - exposure;
552 exposure, gain, shutter, lpfr);
591 u32 exposure; local
614 exposure = ctrl->val;
618 exposure, analog_gai
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H A Dimx335.c147 * @exp_ctrl: Pointer to exposure control
519 * imx335_update_exp_gain() - Set updated exposure and gain
521 * @exposure: updated exposure value
526 static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain) argument
532 shutter = lpfr - exposure;
535 exposure, gain, shutter, lpfr);
617 u32 exposure; local
645 exposure = ctrl->val;
649 exposure, analog_gai
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H A Dov5647.c111 struct v4l2_ctrl *exposure; member in struct:ov5647
1028 __v4l2_ctrl_modify_range(sensor->exposure,
1029 sensor->exposure->minimum,
1030 exposure_max, sensor->exposure->step,
1223 /* Update max exposure while meeting expected vblanking */
1226 __v4l2_ctrl_modify_range(sensor->exposure,
1227 sensor->exposure->minimum,
1228 exposure_max, sensor->exposure->step,
1306 sensor->exposure = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
H A Dov02a10.c124 struct v4l2_ctrl *exposure; member in struct:ov02a10
671 /* Update max exposure while meeting expected vblanking */
674 __v4l2_ctrl_modify_range(ov02a10->exposure,
675 ov02a10->exposure->minimum, max_expo,
676 ov02a10->exposure->step,
677 ov02a10->exposure->default_value);
774 ov02a10->exposure = v4l2_ctrl_new_std(handler, &ov02a10_ctrl_ops,
/linux-master/drivers/media/usb/pwc/
H A Dpwc-v4l.c237 /* auto exposure, exposure */
259 pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
261 /* CODEC2: separate auto gain & auto exposure */
271 pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops,
273 /* CODEC3: both gain and exposure controlled by autogain */
276 pdev->autogain_expo_cluster[2] = pdev->exposure;
561 pdev->exposure->val = pdev->last_exposure;
566 &pdev->exposure->val);
569 pdev->last_exposure = pdev->exposure
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/linux-master/drivers/staging/media/atomisp/i2c/
H A Datomisp-mt9m114.c780 struct atomisp_exposure *exposure)
792 exposure->integration_time[0], exposure->gain[0],
793 exposure->gain[1]);
795 coarse_integration = exposure->integration_time[0];
801 analog_gain = exposure->gain[0];
802 digital_gain = exposure->gain[1];
804 /*Save the first exposure values while stream is off*/
825 * 3A provide real exposure time.
831 v4l2_err(client, "%s: fail to set exposure tim
779 mt9m114_s_exposure(struct v4l2_subdev *sd, struct atomisp_exposure *exposure) argument
1415 struct atomisp_exposure exposure; local
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/linux-master/drivers/media/platform/samsung/exynos4-is/
H A Dfimc-isp.h87 /* Auto/manual exposure */
89 /* Manual exposure value */
90 struct v4l2_ctrl *exposure; member in struct:fimc_isp_ctrls
/linux-master/drivers/media/usb/gspca/stv06xx/
H A Dstv06xx_pb0100.c26 auto-exposure
28 * PB_EXPGAIN = R14 = 0x11 (17 dec) : Sets the auto-exposure value
30 auto-exposure routine
42 struct v4l2_ctrl *exposure; member in struct:pb0100_ctrls::__anon277
93 err = pb0100_set_exposure(gspca_dev, ctrls->exposure->val);
136 ctrls->exposure = v4l2_ctrl_new_std(hdl, &pb0100_ctrl_ops,
270 /* Set up auto-exposure */
279 allowed for auto-exposure routine */
282 allowed for auto-exposure routine */
285 /* R15 Expose0 (maximum that auto-exposure ma
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