On 09/06/2015 07:30 PM, Mauro Carvalho Chehab wrote:
> Now that entities have a main function, expose it via
> MEDIA_IOC_G_TOPOLOGY ioctl.
>
> Signed-off-by: Mauro Carvalho Chehab <mche...@osg.samsung.com>
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
>
> diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
> index ccef9621d147..32090030c342 100644
> --- a/drivers/media/media-device.c
> +++ b/drivers/media/media-device.c
> @@ -263,6 +263,7 @@ static long __media_device_get_topology(struct
> media_device *mdev,
> /* Copy fields to userspace struct if not error */
> memset(&uentity, 0, sizeof(uentity));
> uentity.id = entity->graph_obj.id;
> + uentity.function = entity->function;
> strncpy(uentity.name, entity->name,
> sizeof(uentity.name));
>
> diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h
> index 69433405aec2..d232cc680c67 100644
> --- a/include/uapi/linux/media.h
> +++ b/include/uapi/linux/media.h
> @@ -284,7 +284,8 @@ struct media_links_enum {
> struct media_v2_entity {
> __u32 id;
> char name[64]; /* FIXME: move to a property? (RFC says so) */
> - __u16 reserved[14];
> + __u32 function; /* Main function of the entity */
> + __u16 reserved[12];
> };
>
> /* Should match the specific fields at media_intf_devnode */
>
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