RT-WiFi/backport-include/linux/i2c.h
2017-08-31 12:00:57 +02:00

42 lines
1.1 KiB
C

#ifndef __BACKPORT_LINUX_I2C_H
#define __BACKPORT_LINUX_I2C_H
#include_next <linux/i2c.h>
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,2,0) && \
LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
#include <linux/i2c.h>
/* Unlocked flavor */
#define __i2c_transfer LINUX_BACKPORT(__i2c_transfer)
extern int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
int num);
#endif
/* This backports
*
* commit 14674e70119ea01549ce593d8901a797f8a90f74
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
* Date: Wed May 30 10:55:34 2012 +0200
*
* i2c: Split I2C_M_NOSTART support out of I2C_FUNC_PROTOCOL_MANGLING
*/
#ifndef I2C_FUNC_NOSTART
#define I2C_FUNC_NOSTART 0x00000010 /* I2C_M_NOSTART */
#endif
/* This backports:
*
* commit 7c92784a546d2945b6d6973a30f7134be78eb7a4
* Author: Lars-Peter Clausen <lars@metafoo.de>
* Date: Wed Nov 16 10:13:36 2011 +0100
*
* I2C: Add helper macro for i2c_driver boilerplate
*/
#ifndef module_i2c_driver
#define module_i2c_driver(__i2c_driver) \
module_driver(__i2c_driver, i2c_add_driver, \
i2c_del_driver)
#endif
#endif /* __BACKPORT_LINUX_I2C_H */