tree 616a6cfaedc904c000f72c725009fc8a0c4642f7
parent bf16200689118d19de1b8d2a3c314fc21f5dc7bb
author Wolfram Sang <wsa@the-dreams.de> 1459709084 +0200
committer Wolfram Sang <wsa@the-dreams.de> 1460393699 +0200

i2c: guarantee that I2C_M_RD will be 0x0001 forever

There is code out there in user space and kernel space which relies on
I2C_M_RD being bit 0 to simplify their bit operations. Add a comment to
make sure this will never break. Do proper sorting of the defines while
we are here.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>