| #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 |
| |
| #ifndef I2C_CLIENT_SCCB |
| #define I2C_CLIENT_SCCB 0x9000 /* Use Omnivision SCCB protocol */ |
| /* Must match I2C_M_STOP|IGNORE_NAK */ |
| #endif |
| |
| #endif /* __BACKPORT_LINUX_I2C_H */ |
