| 1 | /* |
| 2 | * Single-state GPIO extcon driver based on extcon class |
| 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. |
| 19 | */ |
| 20 | #ifndef __EXTCON_GPIO_H__ |
| 21 | #define __EXTCON_GPIO_H__ __FILE__ |
| 22 | |
| 23 | #include <linux/extcon.h> |
| 24 | |
| 25 | /** |
| 26 | * struct gpio_extcon_pdata - A simple GPIO-controlled extcon device. |
| 27 | * @extcon_id: The unique id of specific external connector. |
| 28 | * @gpio: Corresponding GPIO. |
| 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. |
| 32 | * @debounce: Debounce time for GPIO IRQ in ms. |
| 33 | * @irq_flags: IRQ Flags (e.g., IRQF_TRIGGER_LOW). |
| 34 | * @check_on_resume: Boolean describing whether to check the state of gpio |
| 35 | * while resuming from sleep. |
| 36 | */ |
| 37 | struct gpio_extcon_pdata { |
| 38 | unsigned int extcon_id; |
| 39 | unsigned gpio; |
| 40 | bool gpio_active_low; |
| 41 | unsigned long debounce; |
| 42 | unsigned long irq_flags; |
| 43 | |
| 44 | bool check_on_resume; |
| 45 | }; |
| 46 | |
| 47 | #endif /* __EXTCON_GPIO_H__ */ |