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Searched refs:exposure (Results 1 – 25 of 106) sorted by relevance

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/linux/drivers/media/usb/gspca/
A Dautogain_functions.c43 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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A Dcpia1.c277 } exposure; member
629 params->exposure.gainMode = 4; in reset_camera_params()
631 params->exposure.compMode = 1; in reset_camera_params()
633 params->exposure.gain = 0; in reset_camera_params()
634 params->exposure.fineExp = 0; in reset_camera_params()
841 sd->params.exposure.gain, in command_setexposure()
857 sd->params.exposure.gain, in command_setexposure()
1032 sd->params.exposure.gain = 0; in set_flicker()
1088 ++sd->params.exposure.gain; in set_flicker()
1343 --sd->params.exposure.gain; in monitor_exposure()
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A Dmr97310a.c75 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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A Dsonixb.c687 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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A Dpac7302.c489 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()
A Ddtcs033.c182 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()
A Dsonixj.c41 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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A Dtopro.c3982 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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A Dpac207.c214 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()
A Dpac7311.c369 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()
A Dnw80x.c1981 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()
/linux/Documentation/userspace-api/media/v4l/
A Dext-ctrls-camera.rst23 .. _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/drivers/media/i2c/
A Dov9650.c206 struct v4l2_ctrl *exposure; member
562 struct v4l2_ctrl *ctrl = ov965x->ctrls.exposure; in ov965x_update_exposure_ctrl()
781 if (!auto_exposure && ctrls->exposure->is_new) { in ov965x_set_exposure()
782 unsigned int exposure = (ctrls->exposure->val * 100) in ov965x_set_exposure() local
791 (exposure >> 2) & 0xff); in ov965x_set_exposure()
794 (exposure >> 10) & 0x3f); in ov965x_set_exposure()
796 ctrls->exposure->val = ((exposure * ov965x->exp_row_interval) in ov965x_set_exposure()
859 unsigned int exposure, gain, m; in __g_volatile_ctrl() local
893 exposure = ((reg2 & 0x3f) << 10) | (reg1 << 2) | in __g_volatile_ctrl()
895 ov965x->ctrls.exposure->val = ((exposure * in __g_volatile_ctrl()
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A Dmt9v011.c61 u16 global_gain, exposure; member
179 u16 exposure; in set_balance() local
182 exposure = core->exposure; in set_balance()
198 mt9v011_write(sd, R09_MT9V011_SHUTTER_WIDTH, exposure); in set_balance()
424 core->exposure = ctrl->val; in mt9v011_s_ctrl()
545 core->exposure = 0x01fc; in mt9v011_probe()
A Dov7251.c82 struct v4l2_ctrl *exposure; member
694 static int ov7251_set_exposure(struct ov7251 *ov7251, s32 exposure) in ov7251_set_exposure() argument
700 val[0] = (exposure & 0xf000) >> 12; /* goes to OV7251_AEC_EXPO_0 */ in ov7251_set_exposure()
701 val[1] = (exposure & 0x0ff0) >> 4; /* goes to OV7251_AEC_EXPO_1 */ in ov7251_set_exposure()
702 val[2] = (exposure & 0x000f) << 4; /* goes to OV7251_AEC_EXPO_2 */ in ov7251_set_exposure()
1065 ret = __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_set_format()
1071 ret = __v4l2_ctrl_s_ctrl(ov7251->exposure, in ov7251_set_format()
1205 ret = __v4l2_ctrl_modify_range(ov7251->exposure, in ov7251_set_frame_interval()
1211 ret = __v4l2_ctrl_s_ctrl(ov7251->exposure, in ov7251_set_frame_interval()
1351 ov7251->exposure = v4l2_ctrl_new_std(&ov7251->ctrls, &ov7251_ctrl_ops, in ov7251_probe()
A Dov9282.c404 static int ov9282_update_exp_gain(struct ov9282 *ov9282, u32 exposure, u32 gain) in ov9282_update_exp_gain() argument
412 exposure, gain, lpfr); in ov9282_update_exp_gain()
422 ret = ov9282_write_reg(ov9282, OV9282_REG_EXPOSURE, 3, exposure << 4); in ov9282_update_exp_gain()
451 u32 exposure; in ov9282_set_ctrl() local
474 exposure = ctrl->val; in ov9282_set_ctrl()
478 exposure, analog_gain); in ov9282_set_ctrl()
480 ret = ov9282_update_exp_gain(ov9282, exposure, analog_gain); in ov9282_set_ctrl()
A Dimx334.c401 static int imx334_update_exp_gain(struct imx334 *imx334, u32 exposure, u32 gain) in imx334_update_exp_gain() argument
407 shutter = lpfr - exposure; in imx334_update_exp_gain()
410 exposure, gain, shutter, lpfr); in imx334_update_exp_gain()
449 u32 exposure; in imx334_set_ctrl() local
473 exposure = ctrl->val; in imx334_set_ctrl()
477 exposure, analog_gain); in imx334_set_ctrl()
479 ret = imx334_update_exp_gain(imx334, exposure, analog_gain); in imx334_set_ctrl()
A Dimx335.c393 static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain) in imx335_update_exp_gain() argument
399 shutter = lpfr - exposure; in imx335_update_exp_gain()
402 exposure, gain, shutter, lpfr); in imx335_update_exp_gain()
441 u32 exposure; in imx335_set_ctrl() local
464 exposure = ctrl->val; in imx335_set_ctrl()
468 exposure, analog_gain); in imx335_set_ctrl()
470 ret = imx335_update_exp_gain(imx335, exposure, analog_gain); in imx335_set_ctrl()
A Dimx412.c536 static int imx412_update_exp_gain(struct imx412 *imx412, u32 exposure, u32 gain) in imx412_update_exp_gain() argument
542 shutter = lpfr - exposure; in imx412_update_exp_gain()
545 exposure, gain, shutter, lpfr); in imx412_update_exp_gain()
584 u32 exposure; in imx412_set_ctrl() local
607 exposure = ctrl->val; in imx412_set_ctrl()
611 exposure, analog_gain); in imx412_set_ctrl()
613 ret = imx412_update_exp_gain(imx412, exposure, analog_gain); in imx412_set_ctrl()
A Dov2685.c94 struct v4l2_ctrl *exposure; member
542 __v4l2_ctrl_modify_range(ov2685->exposure, in ov2685_set_ctrl()
543 ov2685->exposure->minimum, max_expo, in ov2685_set_ctrl()
544 ov2685->exposure->step, in ov2685_set_ctrl()
545 ov2685->exposure->default_value); in ov2685_set_ctrl()
647 ov2685->exposure = v4l2_ctrl_new_std(handler, &ov2685_ctrl_ops, in ov2685_initialize_controls()
A Dov5647.c110 struct v4l2_ctrl *exposure; member
1013 __v4l2_ctrl_modify_range(sensor->exposure, in ov5647_set_pad_fmt()
1014 sensor->exposure->minimum, in ov5647_set_pad_fmt()
1015 exposure_max, sensor->exposure->step, in ov5647_set_pad_fmt()
1211 __v4l2_ctrl_modify_range(sensor->exposure, in ov5647_s_ctrl()
1212 sensor->exposure->minimum, in ov5647_s_ctrl()
1213 exposure_max, sensor->exposure->step, in ov5647_s_ctrl()
1287 sensor->exposure = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops, in ov5647_init_controls()
A Dimx219.c555 struct v4l2_ctrl *exposure; member
730 __v4l2_ctrl_modify_range(imx219->exposure, in imx219_set_ctrl()
731 imx219->exposure->minimum, in imx219_set_ctrl()
732 exposure_max, imx219->exposure->step, in imx219_set_ctrl()
942 __v4l2_ctrl_modify_range(imx219->exposure, in imx219_set_pad_format()
943 imx219->exposure->minimum, in imx219_set_pad_format()
944 exposure_max, imx219->exposure->step, in imx219_set_pad_format()
1322 imx219->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx219_ctrl_ops, in imx219_init_controls()
/linux/drivers/media/i2c/m5mols/
A Dm5mols_controls.c238 static int m5mols_set_exposure(struct m5mols_info *info, int exposure) in m5mols_set_exposure() argument
243 if (exposure == V4L2_EXPOSURE_AUTO) { in m5mols_set_exposure()
260 if (exposure == V4L2_EXPOSURE_MANUAL) { in m5mols_set_exposure()
264 info->exposure->val); in m5mols_set_exposure()
267 info->exposure->val); in m5mols_set_exposure()
270 __func__, info->exposure->val); in m5mols_set_exposure()
561 info->exposure = v4l2_ctrl_new_std(&info->handle, in m5mols_init_controls()
/linux/drivers/media/usb/pwc/
A Dpwc-v4l.c259 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()
/linux/drivers/staging/media/atomisp/i2c/
A Datomisp-mt9m114.c996 struct atomisp_exposure *exposure) in mt9m114_s_exposure() argument
1008 exposure->integration_time[0], exposure->gain[0], in mt9m114_s_exposure()
1009 exposure->gain[1]); in mt9m114_s_exposure()
1011 coarse_integration = exposure->integration_time[0]; in mt9m114_s_exposure()
1017 analog_gain = exposure->gain[0]; in mt9m114_s_exposure()
1018 digital_gain = exposure->gain[1]; in mt9m114_s_exposure()
1711 struct atomisp_exposure exposure; in mt9m114_s_stream() local
1720 exposure.integration_time[0] = dev->first_exp; in mt9m114_s_stream()
1721 exposure.gain[0] = dev->first_gain; in mt9m114_s_stream()
1722 exposure.gain[1] = dev->first_diggain; in mt9m114_s_stream()
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