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Diffstat (limited to 'include/linux/extcon/extcon-gpio.h')
| -rw-r--r-- | include/linux/extcon/extcon-gpio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/linux/extcon/extcon-gpio.h b/include/linux/extcon/extcon-gpio.h new file mode 100644 index 000000000000..7cacafb78b09 --- /dev/null +++ b/include/linux/extcon/extcon-gpio.h @@ -0,0 +1,47 @@ +/* + * 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__ */ |