[media] dvbdev: add support for indirect interface links
Some interfaces indirectly control multiple entities.
Add support for those.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 6bf61d4..ada0738 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -441,6 +441,7 @@
struct media_device *mdev = adap->mdev;
struct media_entity *entity, *tuner = NULL, *fe = NULL;
struct media_entity *demux = NULL, *dvr = NULL, *ca = NULL;
+ struct media_interface *intf;
if (!mdev)
return;
@@ -476,6 +477,16 @@
if (demux && ca)
media_create_pad_link(demux, 1, ca, 0, MEDIA_LNK_FL_ENABLED);
+
+ /* Create indirect interface links for FE->tuner, DVR->demux and CA->ca */
+ list_for_each_entry(intf, &mdev->interfaces, list) {
+ if (intf->type == MEDIA_INTF_T_DVB_CA && ca)
+ media_create_intf_link(ca, intf, 0);
+ if (intf->type == MEDIA_INTF_T_DVB_FE && tuner)
+ media_create_intf_link(tuner, intf, 0);
+ if (intf->type == MEDIA_INTF_T_DVB_DVR && demux)
+ media_create_intf_link(demux, intf, 0);
+ }
}
EXPORT_SYMBOL_GPL(dvb_create_media_graph);
#endif