greybus: lights: add v4l2 flash operations
authorRui Miguel Silva <rui.silva@linaro.org>
Thu, 3 Dec 2015 16:07:47 +0000 (16:07 +0000)
committerGreg Kroah-Hartman <gregkh@google.com>
Thu, 3 Dec 2015 23:33:34 +0000 (15:33 -0800)
commit3f85c787b74c26f3816017e64288af907f291462
treec06fe3a23622893c0f35f7df5d87507b3441391a
parente6420dac3d5d45c60886221afcf31ecaf255d992
greybus: lights: add v4l2 flash operations

We do not implement any of the v4l2 flash operations, as the default
ones are ok for now, however the init needs anything define, if not it
will return an error. So, just define it and have an error free v4l2
flash init.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
drivers/staging/greybus/light.c