On Friday 19 August 2011 15:48:45 Deepthy Ravi wrote:
> From: Vaibhav Hiremath <hvaibhav@xxxxxx>
>
> Fix the build break caused when CONFIG_MEDIA_CONTROLLER
> option is disabled and if any sensor driver has to be used
> between MC and non MC framework compatible devices.
>
> For example,if tvp514x video decoder driver migrated to
> MC framework is being built without CONFIG_MEDIA_CONTROLLER
> option enabled, the following error messages will result.
> drivers/built-in.o: In function `tvp514x_remove':
> drivers/media/video/tvp514x.c:1285: undefined reference to
> `media_entity_cleanup'
> drivers/built-in.o: In function `tvp514x_probe':
> drivers/media/video/tvp514x.c:1237: undefined reference to
> `media_entity_init'
If the tvp514x is migrated to the MC framework, its Kconfig option should
depend on MEDIA_CONTROLLER.
> The file containing definitions of media_entity_init and
> media_entity_cleanup functions will not be built if that
> config option is disabled. And this is corrected by
> defining two dummy functions.
>
> Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
> Signed-off-by: Deepthy Ravi <deepthy.ravi@xxxxxx>
> ---
> include/media/media-entity.h | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/include/media/media-entity.h b/include/media/media-entity.h
> index cd8bca6..c90916e 100644
> --- a/include/media/media-entity.h
> +++ b/include/media/media-entity.h
> @@ -121,9 +121,18 @@ struct media_entity_graph {
> int top;
> };
>
> +#ifdef CONFIG_MEDIA_CONTROLLER
> int media_entity_init(struct media_entity *entity, u16 num_pads,
> struct media_pad *pads, u16 extra_links);
> void media_entity_cleanup(struct media_entity *entity);
> +#else
> +static inline int media_entity_init(struct media_entity *entity, u16
> num_pads, + struct media_pad *pads, u16 extra_links)
> +{
> + return 0;
> +}
> +static inline void media_entity_cleanup(struct media_entity *entity) {}
> +#endif
>
> int media_entity_create_link(struct media_entity *source, u16 source_pad,
> struct media_entity *sink, u16 sink_pad, u32 flags);
--
Regards,
Laurent Pinchart
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