expo: cedit: Support reading settings from a file
Add a command to read cedit settings from a devicetree file.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/boot/cedit.c b/boot/cedit.c
index 4dd79a2..6a74a38 100644
--- a/boot/cedit.c
+++ b/boot/cedit.c
@@ -23,9 +23,11 @@
* struct cedit_iter_priv - private data for cedit operations
*
* @buf: Buffer to use when writing settings to the devicetree
+ * @node: Node to read from when reading settings from devicetree
*/
struct cedit_iter_priv {
struct abuf *buf;
+ ofnode node;
};
int cedit_arange(struct expo *exp, struct video_priv *vpriv, uint scene_id)
@@ -318,3 +320,53 @@
return 0;
}
+
+static int h_read_settings(struct scene_obj *obj, void *vpriv)
+{
+ struct cedit_iter_priv *priv = vpriv;
+ ofnode node = priv->node;
+
+ switch (obj->type) {
+ case SCENEOBJT_NONE:
+ case SCENEOBJT_IMAGE:
+ case SCENEOBJT_TEXT:
+ break;
+ case SCENEOBJT_MENU: {
+ struct scene_obj_menu *menu;
+ uint val;
+
+ if (ofnode_read_u32(node, obj->name, &val))
+ return log_msg_ret("rd", -ENOENT);
+ menu = (struct scene_obj_menu *)obj;
+ menu->cur_item_id = val;
+
+ break;
+ }
+ }
+
+ return 0;
+}
+
+int cedit_read_settings(struct expo *exp, oftree tree)
+{
+ struct cedit_iter_priv priv;
+ ofnode root, node;
+ int ret;
+
+ root = oftree_root(tree);
+ if (!ofnode_valid(root))
+ return log_msg_ret("roo", -ENOENT);
+ node = ofnode_find_subnode(root, CEDIT_NODE_NAME);
+ if (!ofnode_valid(node))
+ return log_msg_ret("pat", -ENOENT);
+
+ /* read in the items */
+ priv.node = node;
+ ret = expo_iter_scene_objs(exp, h_read_settings, &priv);
+ if (ret) {
+ log_debug("Failed to read settings (err=%d)\n", ret);
+ return log_msg_ret("set", ret);
+ }
+
+ return 0;
+}