From 5d751cc0b289282d354f7701a1ff896cc0778be8 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 31 Jul 2012 15:31:55 +0200 Subject: Expose default devices Signed-off-by: Laurent Pinchart Acked-by: Sakari Ailus Acked-by: Hans Verkuil --- src/mediactl.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'src/mediactl.c') diff --git a/src/mediactl.c b/src/mediactl.c index dd5bd57..4da334a 100644 --- a/src/mediactl.c +++ b/src/mediactl.c @@ -145,6 +145,21 @@ const char *media_entity_get_devname(struct media_entity *entity) return entity->devname[0] ? entity->devname : NULL; } +struct media_entity *media_get_default_entity(struct media_device *media, + unsigned int type) +{ + switch (type) { + case MEDIA_ENT_T_DEVNODE_V4L: + return media->def.v4l; + case MEDIA_ENT_T_DEVNODE_FB: + return media->def.fb; + case MEDIA_ENT_T_DEVNODE_ALSA: + return media->def.alsa; + case MEDIA_ENT_T_DEVNODE_DVB: + return media->def.dvb; + } +} + const struct media_device_info *media_get_info(struct media_device *media) { return &media->info; @@ -519,6 +534,23 @@ static int media_enum_entities(struct media_device *media) media->entities_count++; + if (entity->info.flags & MEDIA_ENT_FL_DEFAULT) { + switch (entity->info.type) { + case MEDIA_ENT_T_DEVNODE_V4L: + media->def.v4l = entity; + break; + case MEDIA_ENT_T_DEVNODE_FB: + media->def.fb = entity; + break; + case MEDIA_ENT_T_DEVNODE_ALSA: + media->def.alsa = entity; + break; + case MEDIA_ENT_T_DEVNODE_DVB: + media->def.dvb = entity; + break; + } + } + /* Find the corresponding device name. */ if (media_entity_type(entity) != MEDIA_ENT_T_DEVNODE && media_entity_type(entity) != MEDIA_ENT_T_V4L2_SUBDEV) -- cgit v1.2.3