Lines Matching defs:exposure
2340 /* auto gain and exposure algorithm based on the knee algorithm described here:
2343 Returns 0 if no changes were made, 1 if the gain and or exposure settings
2348 int i, steps, gain, orig_gain, exposure, orig_exposure, autogain;
2366 "on cam without (auto)gain/exposure");
2371 exposure_ctrl->get(gspca_dev, &exposure) ||
2376 orig_exposure = exposure;
2389 else if (exposure > exposure_knee)
2390 exposure--;
2393 else if (exposure > exposure_ctrl->qctrl.minimum)
2394 exposure--;
2402 else if (exposure < exposure_knee)
2403 exposure++;
2406 else if (exposure < exposure_ctrl->qctrl.maximum)
2407 exposure++;
2419 if (exposure != orig_exposure) {
2420 exposure_ctrl->set(gspca_dev, exposure);