i2c: Driver IDs are optional
authorJean Delvare <khali@linux-fr.org>
Mon, 14 Jan 2008 20:53:31 +0000 (21:53 +0100)
committerJean Delvare <khali@hyperion.delvare>
Mon, 14 Jan 2008 20:53:31 +0000 (21:53 +0100)
Document the fact that I2C driver IDs are optional.

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

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