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Subject: media: au0828 disable tuner to demod link in au0828_media_device_register() Author: Shuah Khan <[email protected]> Date: Wed Mar 9 19:15:38 2016 -0700 Disable tuner to demod link in au0828_media_device_register(). This step should be done after dvb graph is created. [[email protected]: Solve conflictst to apply it upstream] Signed-off-by: Shuah Khan <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/usb/au0828/au0828-core.c | 26 ++++++++++++++++++++++++++ drivers/media/v4l2-core/v4l2-mc.c | 18 ------------------ 2 files changed, 26 insertions(+), 18 deletions(-) --- http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=840f5b0572ea9ddaca2bf5540a171013e92c97bd diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 7fc3dba5e2b6..5dc82e8c8670 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/v4l2-core/v4l2-mc.c b/drivers/media/v4l2-core/v4l2-mc.c index f8b6e3be634f..2a7b79bc90fd 100644 --- a/drivers/media/v4l2-core/v4l2-mc.c +++ b/drivers/media/v4l2-core/v4l2-mc.c @@ -57,9 +57,6 @@ int v4l2_mc_create_media_graph(struct media_device *mdev) case MEDIA_ENT_F_ATV_DECODER: decoder = entity; break; - case MEDIA_ENT_F_DTV_DEMOD: - dtv_demod = entity; - break; case MEDIA_ENT_F_IO_V4L: io_v4l = entity; break; @@ -194,21 +191,6 @@ int v4l2_mc_create_media_graph(struct media_device *mdev) flags = 0; } - /* - * Disable tuner to demod link to avoid disable step - * when tuner is requested by video or audio - */ - if (tuner && dtv_demod) { - struct media_link *link; - - list_for_each_entry(link, &dtv_demod->links, list) { - if (link->sink->entity == dtv_demod && - link->source->entity == tuner) { - media_entity_setup_link(link, 0); - } - } - } - return 0; } EXPORT_SYMBOL_GPL(v4l2_mc_create_media_graph); _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
