Searched refs:luma_mean (Results 1 - 3 of 3) sorted by relevance

/drivers/media/usb/gspca/
H A Dspca561.c663 __u8 luma_mean = 110; local
688 if (y < luma_mean - luma_delta ||
689 y > luma_mean + luma_delta) {
700 expotimes += (luma_mean - y) >> spring;
701 gainG += (luma_mean - y) / 50;
H A Detoms.c638 __u8 luma_mean = 128; local
660 if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) {
661 Gbright += (luma_mean - luma) >> spring;
H A Dsonixj.c2585 u8 luma_mean = 130; local
2599 gspca_expo_autogain(gspca_dev, delta, luma_mean, luma_delta,
2604 if (delta < luma_mean - luma_delta ||
2605 delta > luma_mean + luma_delta) {
2609 expotimes += (luma_mean - delta) >> 6;
2617 expotimes += (luma_mean - delta) >> 4;
2626 expotimes += (luma_mean - delta) >> 2;
2638 expotimes += (luma_mean - delta) >> 6;

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