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| author |   Javier Martinez Canillas <javier@osg.samsung.com> | 2016-02-16 18:03:21 -0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-19 08:10:31 -0200 |
| commit | c574b759138474d2fbe7e437c529010b7f4db2f1 (patch) | |
| tree | 64d6068939387aeac77cb396a52f6b951e2843f4 /drivers/media | |
| parent | [media] siano: use generic function to create MC device (diff) | |
| download | linux-dev-c574b759138474d2fbe7e437c529010b7f4db2f1.tar.xz linux-dev-c574b759138474d2fbe7e437c529010b7f4db2f1.zip | |
[media] v4l2-async: Don't fail if registered_async isn't implemented
After sub-dev registration in v4l2_async_test_notify(), the v4l2-async
core calls the registered_async callback but if a sub-dev driver does
not implement it, v4l2_subdev_call() will return a -ENOIOCTLCMD which
should not be considered an error.
Reported-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Benoit Parrot <bparrot@ti.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 716bfd47daab..a4b224d92572 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -120,7 +120,7 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier, } ret = v4l2_subdev_call(sd, core, registered_async); - if (ret < 0) { + if (ret < 0 && ret != -ENOIOCTLCMD) { if (notifier->unbind) notifier->unbind(notifier, sd, asd); return ret; |