Function not showing up in child theme WordPress - php

Question

I was having problems with functions in the Aaron child theme in WordPress. I had part of my problem answered in Overwrite parent functions in child function.php WordPress but I couldn't get the logo to work as a bigger size. I eliminated a lot of code in order to narrow down and find the problem. And what I found is that the function in child theme wasn't showing up in WordPress. This is the function:
/* Site Logo */
function add_site_icon_support() {
$args = array(
'header-text' => array(
'Site Title Here',
'Your site description goes here.',
),
'size' => 'medium',
);
add_theme_support( 'site-logo', $args );
}
add_action( 'after_setup_theme', 'add_site_icon_support' );
I tested it out by adding it to the functions.php in parent theme and it works. Therefore, I was wondering how to make it work in the child theme?
Does it have something to do with this function in parent theme?
function aaron_setup() {
/*
* Make theme available for translation.
* Translations can be filed in the /languages/ directory.
* If you're building a theme based on aaron, use a find and replace
* to change 'aaron' to the name of your theme in all the template files
*/
load_theme_textdomain('aaron', get_template_directory() . '/languages');
// Add default posts and comments RSS feed links to head.
add_theme_support('automatic-feed-links');
add_theme_support('woocommerce');
add_theme_support('jetpack-responsive-videos');
add_editor_style();
add_theme_support('post-thumbnails');
add_image_size('aaron-featured-posts-thumb', 360, 300);
add_theme_support('title-tag');
register_nav_menus(array(
'header' => __('Primary Menu', 'aaron'),
'social' => __('Social Menu', 'aaron'),
));
/*
* Switch default core markup for search form, comment form, and comments
* to output valid HTML5.
*/
add_theme_support('html5', array('search-form', 'comment-form', 'comment-list', 'gallery', 'caption'));
}
endif; // aaron_setup
add_action('after_setup_theme', 'aaron_setup');
Since both have the same hooks.

Answer 1

You need to run your hook later than the parent theme. You need to remember, child theme load first, then parent theme.
To make your function work, you need a lower priority, which is a higher number. You can try
add_action( 'after_setup_theme', 'add_site_icon_support', 11 );