From: Javier Martinez Canillas Date: Fri, 5 Feb 2016 19:09:52 +0000 (-0200) Subject: [media] v4l2-async: call registered_async after subdev registration X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7c3e1ec1f772c1f740fce3180bf419018582977f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [media] v4l2-async: call registered_async after subdev registration V4L2 sub-devices might need to do initialization that depends on being registered with a V4L2 device. As an example, sub-devices with Media Controller support may need to register entities and create pad links. Execute the registered_async callback after the sub-device has been registered with the V4L2 device so the driver can do any needed init. Signed-off-by: Javier Martinez Canillas Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 5bada202b2d3..716bfd47daab 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -119,6 +119,13 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier, return ret; } + ret = v4l2_subdev_call(sd, core, registered_async); + if (ret < 0) { + if (notifier->unbind) + notifier->unbind(notifier, sd, asd); + return ret; + } + if (list_empty(¬ifier->waiting) && notifier->complete) return notifier->complete(notifier);