[deliverable/linux.git] / include / linux / extcon / extcon-gpio.h

/*
 * Single-state GPIO extcon driver based on extcon class
 *
 * 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_pdata - A simple GPIO-controlled extcon device.
 * @extcon_id:		The unique id of specific external connector.
 * @gpio:		Corresponding GPIO.
 * @gpio_active_low:	Boolean describing whether gpio active state is 1 or 0
 *			If true, low state of gpio means active.
 *			If false, high state of gpio means active.
 * @debounce:		Debounce time for GPIO IRQ in ms.
 * @irq_flags:		IRQ Flags (e.g., IRQF_TRIGGER_LOW).
 * @check_on_resume:	Boolean describing whether to check the state of gpio
 *			while resuming from sleep.
 */
struct gpio_extcon_pdata {
	unsigned int extcon_id;
	unsigned gpio;
	bool gpio_active_low;
	unsigned long debounce;
	unsigned long irq_flags;

	bool check_on_resume;
};

#endif /* __EXTCON_GPIO_H__ */
Commit	Line	Data
be48308a	1	/*
6ba12997	2	* Single-state GPIO extcon driver based on extcon class
be48308a MH	3	*
	4	* Copyright (C) 2012 Samsung Electronics
	5	* Author: MyungJoo Ham <myungjoo.ham@samsung.com>
	6	*
	7	* based on switch class driver
	8	* Copyright (C) 2008 Google, Inc.
	9	* Author: Mike Lockwood <lockwood@android.com>
	10	*
	11	* This software is licensed under the terms of the GNU General Public
	12	* License version 2, as published by the Free Software Foundation, and
	13	* may be copied, distributed, and modified under those terms.
	14	*
	15	* This program is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
6ba12997	19	*/
be48308a MH	20	#ifndef __EXTCON_GPIO_H__
	21	#define __EXTCON_GPIO_H__ __FILE__
	22
	23	#include <linux/extcon.h>
	24
	25	/**
6ba12997	26	* struct gpio_extcon_pdata - A simple GPIO-controlled extcon device.
ce6f7496	27	* @extcon_id: The unique id of specific external connector.
a75e1c73	28	* @gpio: Corresponding GPIO.
5bfbdc9c GR	29	* @gpio_active_low: Boolean describing whether gpio active state is 1 or 0
	30	* If true, low state of gpio means active.
	31	* If false, high state of gpio means active.
a75e1c73 CC	32	* @debounce: Debounce time for GPIO IRQ in ms.
a75e1c73 CC	33	* @irq_flags: IRQ Flags (e.g., IRQF_TRIGGER_LOW).
62364357 GC	34	* @check_on_resume: Boolean describing whether to check the state of gpio
62364357 GC	35	* while resuming from sleep.
be48308a	36	*/
6ba12997	37	struct gpio_extcon_pdata {
ce6f7496	38	unsigned int extcon_id;
be48308a	39	unsigned gpio;
5bfbdc9c	40	bool gpio_active_low;
be48308a MH	41	unsigned long debounce;
	42	unsigned long irq_flags;
	43
6544dfa5	44	bool check_on_resume;
be48308a MH	45	};
	46
	47	#endif /* __EXTCON_GPIO_H__ */