diff options
| author | Hans Verkuil <hansverk@cisco.com> | 2018-02-27 07:24:09 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-25 07:42:53 -0400 |
| commit | 30b914c8d825da7d4c651ade34667cef05e3ee27 (patch) | |
| tree | ca326f568e4ebc8b4b90649a3949b91ee4e45901 | |
| parent | 76e464888b1c367fddaf67f23ee3e0aa4ca8cef4 (diff) | |
| download | linux-30b914c8d825da7d4c651ade34667cef05e3ee27.tar.bz2 | |
media: add 'index' to struct media_v2_pad
The v2 pad structure never exposed the pad index, which made it impossible
to call the MEDIA_IOC_SETUP_LINK ioctl, which needs that information.
It is really trivial to just expose this information, so implement this.
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
| -rw-r--r-- | drivers/media/media-device.c | 1 | ||||
| -rw-r--r-- | include/uapi/linux/media.h | 12 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 47bb2254fbfd..047d38372a27 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -331,6 +331,7 @@ static long media_device_get_topology(struct media_device *mdev, void *arg) kpad.id = pad->graph_obj.id; kpad.entity_id = pad->entity->graph_obj.id; kpad.flags = pad->flags; + kpad.index = pad->index; if (copy_to_user(upad, &kpad, sizeof(kpad))) ret = -EFAULT; diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 86c7dcc9cba3..f6338bd57929 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -305,11 +305,21 @@ struct media_v2_interface { }; } __attribute__ ((packed)); +/* + * Appeared in 4.19.0. + * + * The media_version argument comes from the media_version field in + * struct media_device_info. + */ +#define MEDIA_V2_PAD_HAS_INDEX(media_version) \ + ((media_version) >= ((4 << 16) | (19 << 8) | 0)) + struct media_v2_pad { __u32 id; __u32 entity_id; __u32 flags; - __u32 reserved[5]; + __u32 index; + __u32 reserved[4]; } __attribute__ ((packed)); struct media_v2_link { |