diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_ctrl.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_ctrl.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 1b89735e62fd..0469d7a876a8 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -742,17 +742,7 @@ struct uvc_control *uvc_find_control(struct uvc_video_chain *chain, v4l2_id &= V4L2_CTRL_ID_MASK; /* Find the control. */ - __uvc_find_control(chain->processing, v4l2_id, mapping, &ctrl, next); - if (ctrl && !next) - return ctrl; - - list_for_each_entry(entity, &chain->iterms, chain) { - __uvc_find_control(entity, v4l2_id, mapping, &ctrl, next); - if (ctrl && !next) - return ctrl; - } - - list_for_each_entry(entity, &chain->extensions, chain) { + list_for_each_entry(entity, &chain->entities, chain) { __uvc_find_control(entity, v4l2_id, mapping, &ctrl, next); if (ctrl && !next) return ctrl; @@ -826,6 +816,13 @@ int uvc_query_v4l2_ctrl(struct uvc_video_chain *chain, ret = 0; goto out; + case V4L2_CTRL_TYPE_BUTTON: + v4l2_ctrl->minimum = 0; + v4l2_ctrl->maximum = 0; + v4l2_ctrl->step = 0; + ret = 0; + goto out; + default: break; } @@ -944,17 +941,7 @@ int __uvc_ctrl_commit(struct uvc_video_chain *chain, int rollback) int ret = 0; /* Find the control. */ - ret = uvc_ctrl_commit_entity(chain->dev, chain->processing, rollback); - if (ret < 0) - goto done; - - list_for_each_entry(entity, &chain->iterms, chain) { - ret = uvc_ctrl_commit_entity(chain->dev, entity, rollback); - if (ret < 0) - goto done; - } - - list_for_each_entry(entity, &chain->extensions, chain) { + list_for_each_entry(entity, &chain->entities, chain) { ret = uvc_ctrl_commit_entity(chain->dev, entity, rollback); if (ret < 0) goto done; @@ -1068,8 +1055,9 @@ int uvc_xu_ctrl_query(struct uvc_video_chain *chain, int ret; /* Find the extension unit. */ - list_for_each_entry(entity, &chain->extensions, chain) { - if (entity->id == xctrl->unit) + list_for_each_entry(entity, &chain->entities, chain) { + if (UVC_ENTITY_TYPE(entity) == UVC_VC_EXTENSION_UNIT && + entity->id == xctrl->unit) break; } |