static int fimc_md_link_notify(struct media_link *link, unsigned int flags,
unsigned int notification)
{
struct media_entity *sink = link->sink->entity;
int ret = 0;
/* Before link disconnection */
if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) {
if (!(flags & MEDIA_LNK_FL_ENABLED))
ret = __fimc_md_modify_pipelines(sink, false);
#if 0
else
/* TODO: Link state change validation */
#endif
/* After link activation */
} else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
static int fimc_md_link_notify(struct media_link *link, unsigned int flags,
unsigned int notification)
{
struct media_entity_graph *graph =
&container_of(link->graph_obj.mdev, struct fimc_md,
media_dev)->link_setup_graph;
struct media_entity *sink = link->sink->entity;
int ret = 0;
/* Before link disconnection */
if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) {
ret = media_entity_graph_walk_init(graph,
link->graph_obj.mdev);
if (ret)
return ret;
if (!(flags & MEDIA_LNK_FL_ENABLED))
ret = __fimc_md_modify_pipelines(sink, false, graph);
#if 0
else
/* TODO: Link state change validation */
#endif
/* After link activation */
} else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH) {
{
struct media_entity *sink = link->sink->entity;
int ret = 0;
/* Before link disconnection */
if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) {
if (!(flags & MEDIA_LNK_FL_ENABLED))
ret = __fimc_md_modify_pipelines(sink, false);
#if 0
else
/* TODO: Link state change validation */
#endif
/* After link activation */
} else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH &&
(link->flags & MEDIA_LNK_FL_ENABLED)) {
ret = __fimc_md_modify_pipelines(sink, true);
}
return ret ? -EPIPE : 0;
}
static ssize_t fimc_md_sysfs_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
struct fimc_md *fmd = platform_get_drvdata(pdev);
if (fmd->user_subdev_api)
return strlcpy(buf, "Sub-device API (sub-dev)\n", PAGE_SIZE);
return strlcpy(buf, "V4L2 video node only API (vid-dev)\n", PAGE_SIZE);
