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Commit 8ddb90d2 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] dvbdev: add support for indirect interface links 



Some interfaces indirectly control multiple entities.
Add support for those.

Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 57cf79b7

drivers/media/dvb-core/dvbdev.c

+11 −0
Original line number Diff line number Diff line
@@ -441,6 +441,7 @@ void dvb_create_media_graph(struct dvb_adapter *adap) 
	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 @@ void dvb_create_media_graph(struct dvb_adapter *adap) 


	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