Hide post title and info depending on the post's category

functions.php

<?php

add_filter( 'genesis_post_title_output', 'custom_genesis_post_title_output' );
/**
 * Callback for Genesis 'genesis_post_title_output' filter.
 * 
 * Remove the title if the post category is 'portfolio'.
 * 
 * @package Genesis
 * @category Post Title
 * @author Ryan Meier http://www.rfmeier.net
 * 
 * @param string $title The post title output
 * @return string $title The post title output
 */
function custom_genesis_post_title_output( $title ){
  
	// if post is in 'portfolio' category, return empty string
	if( is_category( 'portfolio' ) )
		return '';
	
	// else, return default title output
	return $title;
	
}


add_filter( 'genesis_post_info', 'custom_genesis_post_info' );
/**
 * Callback for Genesis 'genesis_post_info' filter.
 * 
 * If the current post is in the '' category, hide the post info content
 * 
 * @package Genesis
 * @category Post Info
 * @author Ryan Meier http://www.rfmeier.net
 * 
 * @param string $post_info The post info content
 * @return string $post_info The post info content
 */
function custom_genesis_post_info( $post_info ){
	
	// if post is in 'portfolio' category, return empty string
	if( is_category( 'portfolio' ) )
		return '';
	
	// else, return default post info
	return $post_info;
	
}