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expo: cedit: Support reading settings from a file

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Add a command to read cedit settings from a devicetree file.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-08-14 16:40:34 -06:00
committed by Tom Rini
parent 2dee81fe5f
commit 472317cb12
5 changed files with 131 additions and 3 deletions
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52
boot/cedit.c
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@@ -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 @@ int cedit_write_settings(struct expo *exp, struct abuf *buf)
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;
}