Genesis Framework: Adding Default child theme setting

defaults.php

<?php

//* Advance Theme Setting Defaults
add_filter( 'genesis_theme_settings_defaults', 'advance_theme_defaults' );
function advance_theme_defaults( $defaults ) {

	$defaults['blog_title']                = 'image';
	$defaults['blog_cat_num']              = 5;
	$defaults['content_archive']           = 'full';
	$defaults['content_archive_limit']     = 200;
	$defaults['content_archive_thumbnail'] = 1;
	$defaults['image_size'] 			   = 'thumbnail';
	$defaults['image_alignment'] 			   = 'alignright';
	$defaults['posts_nav']                 = 'numeric';
	$defaults['site_layout']               = 'full-width-content';

	return $defaults;

}

//* Advance Theme Setup
add_action( 'after_switch_theme', 'advance_theme_setting_defaults' );
function advance_theme_setting_defaults() {

	if( function_exists( 'genesis_update_settings' ) ) {

		genesis_update_settings( array(
			'blog_title'              => 'image',
			'blog_cat_num'              => 5,	
			'content_archive'           => 'full',
			'content_archive_limit'     => 200,
			'content_archive_thumbnail' => 1,
			'image_size'				=> 'thumbnail',
			'image_alignment'				=> 'alignright',
			'posts_nav'                 => 'numeric',
			'site_layout'               => 'full-width-content',
		) );
		
	} else {

		_genesis_update_settings( array(
			'blog_title'				=> 'image',
			'blog_cat_num'              => 5,	
			'content_archive'           => 'full',
			'content_archive_limit'     => 200,
			'content_archive_thumbnail' => 1,
			'image_size'				=> 'thumbnail',
			'image_alignment'				=> 'alignright',
			'posts_nav'                 => 'numeric',
			'site_layout'               => 'full-width-content',
		) );
		
	}

	update_option( 'posts_per_page', 5 );

	

}

//* Advance Theme Setup
add_action( 'after_setup_theme', 'advance_theme_settings' );
function advance_theme_settings() {

	//* Unregister sidebar/content layout setting
	genesis_unregister_layout( 'sidebar-content' );
	 
	//* Unregister content/sidebar/sidebar layout setting
	genesis_unregister_layout( 'content-sidebar-sidebar' );
	 
	//* Unregister sidebar/sidebar/content layout setting
	genesis_unregister_layout( 'sidebar-sidebar-content' );
	 
	//* Unregister sidebar/content/sidebar layout setting
	genesis_unregister_layout( 'sidebar-content-sidebar' );

	//* Unregister sidebar alt
	unregister_sidebar('sidebar-alt');

}