How to set Heading tags for Entry Titles in Genesis conditionally.

functions.php

// Wrap entry titles on 'portfolio' post type archive page in h3 tags
add_filter( 'genesis_entry_title_wrap', 'sk_set_custom_entry_title_wrap' );
function sk_set_custom_entry_title_wrap( $wrap ) {

	if ( is_post_type_archive( 'portfolio' ) ) {
		$wrap = 'h3';
	}

	return $wrap;

}