52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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/*
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* Single-state GPIO extcon driver based on extcon class
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*
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* Copyright (C) 2012 Samsung Electronics
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* Author: MyungJoo Ham <myungjoo.ham@samsung.com>
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*
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* based on switch class driver
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* Copyright (C) 2008 Google, Inc.
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* Author: Mike Lockwood <lockwood@android.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __EXTCON_GPIO_H__
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#define __EXTCON_GPIO_H__ __FILE__
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#include <linux/extcon.h>
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/**
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* struct gpio_extcon_pdata - A simple GPIO-controlled extcon device.
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* @name: The name of this GPIO extcon device.
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* @supported_cable: Array of supported cable names ending with EXTCON_NONE.
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* @gpio: Corresponding GPIO.
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* @gpio_active_low: Boolean describing whether gpio active state is 1 or 0
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* If true, low state of gpio means active.
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* If false, high state of gpio means active.
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* @debounce: Debounce time for GPIO IRQ in ms.
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* @irq_flags: IRQ Flags (e.g., IRQF_TRIGGER_LOW).
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* @default_state: Default state of the connection if gpio is not provided.
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* @check_on_resume: Boolean describing whether to check the state of gpio
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* while resuming from sleep.
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*/
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struct gpio_extcon_pdata {
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const char *name;
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unsigned int supported_cable[2];
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int gpio;
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bool gpio_active_low;
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unsigned long debounce;
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unsigned long irq_flags;
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bool default_state;
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bool check_on_resume;
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};
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#endif /* __EXTCON_GPIO_H__ */
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