use an image for the logo in genesis child theme

gistfile1.php

/**
 * Use an img tag for the logo
 * @param $title
 * @param $inside
 * @param $wrap
 *
 * @return string
 */
function ssm_modify_site_title_html( $title, $inside, $wrap ) {

  $wrap = ( is_home() || is_front_page() || is_archive() ) && !is_post_type_archive('product') && 'title' == genesis_get_seo_option( 'home_h1_on' ) ? 'h1' : 'p';
	/** Set what goes inside the wrapping tags */
	$inside = sprintf( '<a href="%s"><img width="259" height="84" src="%s" alt="%s" /></a>', trailingslashit( home_url() ),  get_stylesheet_directory_uri() . '/images/logo.png', get_bloginfo( 'name' ) );
	/** Build the Title */
	$title = sprintf( '<%s id="title">%s</%s>', $wrap, $inside, $wrap );
	return $title;
}
add_filter( 'genesis_seo_title', 'ssm_modify_site_title_html', 10, 3 );