i2c: Mention functionality flags in SMBus protocol documentation
authorJean Delvare <khali@linux-fr.org>
Sun, 16 Dec 2012 20:11:55 +0000 (21:11 +0100)
committerJean Delvare <khali@endymion.delvare>
Sun, 16 Dec 2012 20:11:55 +0000 (21:11 +0100)
While the mapping between I2C adapter functionality flags and
i2c_smbus_*() helper functions is rather obvious, let's still document
it for clarity.

Also drop the reference to 2 command byte I2C block reads, there is no
support for that in the kernel at the moment.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

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