Current File : //usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/linux/extcon/extcon-gpio.h
/*
* External connector (extcon) class generic GPIO driver
*
* Copyright (C) 2012 Samsung Electronics
* Author: MyungJoo Ham <myungjoo.ham@samsung.com>
*
* based on switch class driver
* Copyright (C) 2008 Google, Inc.
* Author: Mike Lockwood <lockwood@android.com>
*
* 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 __EXTCON_GPIO_H__
#define __EXTCON_GPIO_H__ __FILE__
#include <linux/extcon.h>
/**
* struct gpio_extcon_platform_data - A simple GPIO-controlled extcon device.
* @name The name of this GPIO extcon device.
* @gpio Corresponding GPIO.
* @debounce Debounce time for GPIO IRQ in ms.
* @irq_flags IRQ Flags (e.g., IRQF_TRIGGER_LOW).
* @state_on print_state is overriden with state_on if attached. If Null,
* default method of extcon class is used.
* @state_off print_state is overriden with state_on if detached. If Null,
* default method of extcon class is used.
*
* Note that in order for state_on or state_off to be valid, both state_on
* and state_off should be not NULL. If at least one of them is NULL,
* the print_state is not overriden.
*/
struct gpio_extcon_platform_data {
const char *name;
unsigned gpio;
unsigned long debounce;
unsigned long irq_flags;
/* if NULL, "0" or "1" will be printed */
const char *state_on;
const char *state_off;
};
#endif /* __EXTCON_GPIO_H__ */
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