Fix I2C_FUNC_* defines in i2c.h. These defines lack surrounding parentheses, which might cause unexpected results where used. These were originally fixed by Corey Minyard in Linux 2.6. http://marc.theaimsgroup.com/?l=linux-kernel&m=110928784629301 http://linux.bkbits.net:8080/linux-2.5/diffs/include/linux/i2c.h at 1.48 --- linux-2.4.30-rc1/include/linux/i2c.h.orig 2005-03-19 13:17:40.000000000 +0100 +++ linux-2.4.30-rc1/include/linux/i2c.h 2005-03-19 13:22:52.000000000 +0100 @@ -390,23 +390,23 @@ #define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* New I2C-like block */ #define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* transfer */ -#define I2C_FUNC_SMBUS_BYTE I2C_FUNC_SMBUS_READ_BYTE | \ - I2C_FUNC_SMBUS_WRITE_BYTE -#define I2C_FUNC_SMBUS_BYTE_DATA I2C_FUNC_SMBUS_READ_BYTE_DATA | \ - I2C_FUNC_SMBUS_WRITE_BYTE_DATA -#define I2C_FUNC_SMBUS_WORD_DATA I2C_FUNC_SMBUS_READ_WORD_DATA | \ - I2C_FUNC_SMBUS_WRITE_WORD_DATA -#define I2C_FUNC_SMBUS_BLOCK_DATA I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ - I2C_FUNC_SMBUS_WRITE_BLOCK_DATA -#define I2C_FUNC_SMBUS_I2C_BLOCK I2C_FUNC_SMBUS_READ_I2C_BLOCK | \ - I2C_FUNC_SMBUS_WRITE_I2C_BLOCK - -#define I2C_FUNC_SMBUS_EMUL I2C_FUNC_SMBUS_QUICK | \ - I2C_FUNC_SMBUS_BYTE | \ - I2C_FUNC_SMBUS_BYTE_DATA | \ - I2C_FUNC_SMBUS_WORD_DATA | \ - I2C_FUNC_SMBUS_PROC_CALL | \ - I2C_FUNC_SMBUS_WRITE_BLOCK_DATA +#define I2C_FUNC_SMBUS_BYTE (I2C_FUNC_SMBUS_READ_BYTE | \ + I2C_FUNC_SMBUS_WRITE_BYTE) +#define I2C_FUNC_SMBUS_BYTE_DATA (I2C_FUNC_SMBUS_READ_BYTE_DATA | \ + I2C_FUNC_SMBUS_WRITE_BYTE_DATA) +#define I2C_FUNC_SMBUS_WORD_DATA (I2C_FUNC_SMBUS_READ_WORD_DATA | \ + I2C_FUNC_SMBUS_WRITE_WORD_DATA) +#define I2C_FUNC_SMBUS_BLOCK_DATA (I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ + I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) +#define I2C_FUNC_SMBUS_I2C_BLOCK (I2C_FUNC_SMBUS_READ_I2C_BLOCK | \ + I2C_FUNC_SMBUS_WRITE_I2C_BLOCK) + +#define I2C_FUNC_SMBUS_EMUL (I2C_FUNC_SMBUS_QUICK | \ + I2C_FUNC_SMBUS_BYTE | \ + I2C_FUNC_SMBUS_BYTE_DATA | \ + I2C_FUNC_SMBUS_WORD_DATA | \ + I2C_FUNC_SMBUS_PROC_CALL | \ + I2C_FUNC_SMBUS_WRITE_BLOCK_DATA) /* * Data for SMBus Messages -- Jean Delvare