Lines Matching defs:exposure
53 * 0x0f Exposure bit 8, 0-448, 448 = no exposure at all
489 u16 exposure;
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 = (gspca_dev->exposure->val * 45 * 448) / (1000 * clockdiv);
522 /* 0 = use full frametime, 448 = no exposure, reverse it */
523 exposure = 448 - exposure;
527 reg_w(gspca_dev, 0x0e, exposure & 0xff);
528 reg_w(gspca_dev, 0x0f, exposure >> 8);
582 exposure knee graph, and give this change time to
584 gspca_dev->exposure->val = PAC7302_EXPOSURE_DEFAULT;
609 if (gspca_dev->exposure->is_new || (ctrl->is_new && ctrl->val))
662 gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,