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barebox / include / gpio_keys.h
@Jean-Christophe PLAGNIOL-VILLARD Jean-Christophe PLAGNIOL-VILLARD on 16 Feb 2012 436 bytes add gpio keyboard support
#ifndef _GPIO_KEYS_H
#define _GPIO_KEYS_H

#include <poller.h>
#include <kfifo.h>

struct gpio_keys_button {
	/* Configuration parameters */
	int code;

	int gpio;
	int active_low;

	/* internal */
	int previous_state;
};

struct gpio_keys_platform_data {
	struct gpio_keys_button *buttons;
	int nbuttons;

	/* optional */
	int fifo_size;

	struct kfifo *recv_fifo;
	struct poller_struct poller;
	struct console_device cdev;
};

#endif