H1 Text inside Bootstrap 3 Carousel WP Theme Customizer Func

sample-customizer-section03.php

$wp_customize->add_setting( 'theme_slug_slide_title_1', array(
    'default' => 'No Title Text Has Been Entered',
    'sanitize_callback' => 'sanitize_headline_one_text',
)); 
function sanitize_headline_one_text( $input ) {
return wp_kses_post( force_balance_tags( $input ) );
}
$wp_customize->add_control( 'theme_slug_slide_title_1', array(
    'type'    => 'text',
    'label'   => __( 'Heading Text Here:', 'theme_slug' ),
    'section' => 'home_slide_img_one'
));