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Javier Martinez Canillas authored
V4L2 sub-devices that are registered asynchronously have no way to know when they have been registration with a V4L2 device but they might need to take some action after this. So let's add a callback that can be executed by the V4L2 async core to allow sub-devices drivers to do any needed initialization that depends on the registration. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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