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[media] vivid-tpg: add helper functions to simplify common calculations
authorHans Verkuil <hans.verkuil@cisco.com>
Sun, 8 Mar 2015 08:53:10 +0000 (05:53 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Thu, 2 Apr 2015 23:45:22 +0000 (20:45 -0300)
commit9991deff1ac9361abbe0c5938b27f903f16d1ca0
treed40af65b2969b0767113727b3d4250d0c07a4f52
parent51f309683510ced24b1b3886f0935a0ab32d1e0b
[media] vivid-tpg: add helper functions to simplify common calculations

Add helper functions to handle horizontal downscaling and horizontal
scaling.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/platform/vivid/vivid-tpg.c
drivers/media/platform/vivid/vivid-tpg.h