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Subject: [media] vivid-tpg: don't add offset when switching to monochrome Author: Hans Verkuil <[email protected]> Date: Sat Mar 7 12:53:39 2015 -0300 The grayscale values are still full range sRGB, so don't add the limited range offset. Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/platform/vivid/vivid-tpg.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) --- http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=9c35bd48d54345b2c89426dd2efdb33adaa0aac3 diff --git a/drivers/media/platform/vivid/vivid-tpg.c b/drivers/media/platform/vivid/vivid-tpg.c index 8f45568..145b6ff 100644 --- a/drivers/media/platform/vivid/vivid-tpg.c +++ b/drivers/media/platform/vivid/vivid-tpg.c @@ -530,7 +530,7 @@ static void precalculate_color(struct tpg_data *tpg, int k) if (tpg->qual == TPG_QUAL_GRAY) { /* Rec. 709 Luma function */ /* (0.2126, 0.7152, 0.0722) * (255 * 256) */ - r = g = b = ((13879 * r + 46688 * g + 4713 * b) >> 16) + (16 << 4); + r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16; } /* _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
