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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2019-02-28 16:25:28 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-07-25 15:03:03 +0300 |
| commit | 820342aca05188c9af4b468d6c41b3327161f7ad (patch) | |
| tree | 4a7dcf5e28bb01b8e55941ac2bd673971db271ce /drivers/media/v4l2-core | |
| parent | 016413d967061fc2eb6798a487b3022bef7698a6 (diff) | |
| download | linux-820342aca05188c9af4b468d6c41b3327161f7ad.tar.xz | |
media: v4l2-async: Add v4l2_async_notifier_add_fwnode_remote_subdev
v4l2_async_notifier_add_fwnode_remote_subdev is a convenience function for
parsing information on V4L2 fwnode subdevs.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 7d364c545a40..dc4f470ea6a7 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -606,6 +606,29 @@ v4l2_async_notifier_add_fwnode_subdev(struct v4l2_async_notifier *notifier, } EXPORT_SYMBOL_GPL(v4l2_async_notifier_add_fwnode_subdev); +int +v4l2_async_notifier_add_fwnode_remote_subdev(struct v4l2_async_notifier *notif, + struct fwnode_handle *endpoint, + struct v4l2_async_subdev *asd) +{ + struct fwnode_handle *remote; + int ret; + + remote = fwnode_graph_get_remote_port_parent(endpoint); + if (!remote) + return -ENOTCONN; + + asd->match_type = V4L2_ASYNC_MATCH_FWNODE; + asd->match.fwnode = remote; + + ret = v4l2_async_notifier_add_subdev(notif, asd); + if (ret) + fwnode_handle_put(remote); + + return ret; +} +EXPORT_SYMBOL_GPL(v4l2_async_notifier_add_fwnode_remote_subdev); + struct v4l2_async_subdev * v4l2_async_notifier_add_i2c_subdev(struct v4l2_async_notifier *notifier, int adapter_id, unsigned short address, |