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[media] v4l: vsp1: Document calling context of vsp1_pipeline_propagate_alpha()
authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Sun, 1 Nov 2015 16:01:51 +0000 (14:01 -0200)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Wed, 13 Apr 2016 20:45:44 +0000 (17:45 -0300)
commitc9e645a534744029d5d465d9b7bfae3de9123031
tree650f15c4c2406e31c850d21768926c1a0839c4adtree | snapshot (tar.gz zip)
parent2b09ee4093e98e8eaa908554aa36a5b2ceba6e3dcommit | diff
[media] v4l: vsp1: Document calling context of vsp1_pipeline_propagate_alpha()

The function can only be called from a s_stream handler as it requires a
valid display list context (due to calling vsp1_uds_set_alpha() which
writes to module registers). Document the requirement.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/platform/vsp1/vsp1_pipe.c diff | blob | blame | history