/*
   * i2c-smbus.h - SMBus extensions to the I2C protocol
   *
   * Copyright (C) 2010 Jean Delvare <jdelvare@suse.de>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * 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.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
   * MA 02110-1301 USA.
   */
  
  #ifndef _LINUX_I2C_SMBUS_H
  #define _LINUX_I2C_SMBUS_H
  
  #include <linux/i2c.h>
  
  
  /**
   * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
   * @alert_edge_triggered: whether the alert interrupt is edge (1) or level (0)
   *		triggered
   * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
   *		handling
   *
   * If irq is not specified, the smbus_alert driver doesn't take care of
   * interrupt handling. In that case it is up to the I2C bus driver to either
   * handle the interrupts or to poll for alerts.
   *
   * If irq is specified then it it crucial that alert_edge_triggered is
   * properly set.
   */
  struct i2c_smbus_alert_setup {
  	unsigned int		alert_edge_triggered:1;
  	int			irq;
  };
  
  struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter,
  					 struct i2c_smbus_alert_setup *setup);
  int i2c_handle_smbus_alert(struct i2c_client *ara);
  
  #endif /* _LINUX_I2C_SMBUS_H */