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/* include/linux/msm_hdmi.h
*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _MSM_HDMI_H_
#define _MSM_HDMI_H_
/*
* HDMI cable notify handler sturcture.
* link A link for the linked list
* status Current status of HDMI cable connection
* hpd_notify Callback function to provide cable status
*/
struct hdmi_cable_notify {
struct list_head link;
int status;
void (*hpd_notify) (struct hdmi_cable_notify *h);
};
#ifdef CONFIG_FB_MSM_MDSS_HDMI_PANEL
/*
* Register for HDMI cable connect or disconnect notification.
* @param handler callback handler for notification
* @return negative value as error otherwise current status of cable
*/
int register_hdmi_cable_notification(
struct hdmi_cable_notify *handler);
/*
* Un-register for HDMI cable connect or disconnect notification.
* @param handler callback handler for notification
* @return negative value as error
*/
int unregister_hdmi_cable_notification(
struct hdmi_cable_notify *handler);
#else
int register_hdmi_cable_notification(
struct hdmi_cable_notify *handler) {
return 0;
}
int unregister_hdmi_cable_notification(
struct hdmi_cable_notify *handler) {
return 0;
}
#endif /* CONFIG_FB_MSM_MDSS_HDMI_PANEL */
#endif /*_MSM_HDMI_H_*/
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