Disable tuner to demod link in au0828_media_device_register(). This step should be done after dvb graph is created.
Signed-off-by: Shuah Khan <[email protected]> --- drivers/media/usb/au0828/au0828-core.c | 26 ++++++++++++++++++++++++++ drivers/media/usb/au0828/au0828-video.c | 20 +------------------- 2 files changed, 27 insertions(+), 19 deletions(-) diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 7fc3dba..5dc82e8 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -456,6 +456,7 @@ static int au0828_media_device_register(struct au0828_dev *dev, { #ifdef CONFIG_MEDIA_CONTROLLER int ret; + struct media_entity *entity, *demod = NULL, *tuner = NULL; if (!dev->media_dev) return 0; @@ -479,6 +480,31 @@ static int au0828_media_device_register(struct au0828_dev *dev, */ au0828_media_graph_notify(NULL, (void *) dev); } + + /* + * Find tuner and demod to disable the link between + * the two to avoid disable step when tuner is requested + * by video or audio. Note that this step can't be done + * until dvb graph is created during dvb register. + */ + media_device_for_each_entity(entity, dev->media_dev) { + if (entity->function == MEDIA_ENT_F_DTV_DEMOD) + demod = entity; + else if (entity->function == MEDIA_ENT_F_TUNER) + tuner = entity; + } + /* Disable link between tuner and demod */ + if (tuner && demod) { + struct media_link *link; + + list_for_each_entry(link, &demod->links, list) { + if (link->sink->entity == demod && + link->source->entity == tuner) { + media_entity_setup_link(link, 0); + } + } + } + /* register entity_notify callback */ dev->entity_notify.notify_data = (void *) dev; dev->entity_notify.notify = (void *) au0828_media_graph_notify; diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 5f7c8be..aeaf27e 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -657,7 +657,7 @@ static int au0828_create_media_graph(struct au0828_dev *dev) #ifdef CONFIG_MEDIA_CONTROLLER struct media_device *mdev = dev->media_dev; struct media_entity *entity; - struct media_entity *tuner = NULL, *decoder = NULL, *demod = NULL; + struct media_entity *tuner = NULL, *decoder = NULL; int i, ret; if (!mdev) @@ -671,9 +671,6 @@ static int au0828_create_media_graph(struct au0828_dev *dev) case MEDIA_ENT_F_ATV_DECODER: decoder = entity; break; - case MEDIA_ENT_F_DTV_DEMOD: - demod = entity; - break; } } @@ -729,21 +726,6 @@ static int au0828_create_media_graph(struct au0828_dev *dev) break; } } - - /* - * Disable tuner to demod link to avoid disable step - * when tuner is requested by video or audio - */ - if (tuner && demod) { - struct media_link *link; - - list_for_each_entry(link, &demod->links, list) { - if (link->sink->entity == demod && - link->source->entity == tuner) { - media_entity_setup_link(link, 0); - } - } - } #endif return 0; } -- 2.5.0
