i2c: implement i2c_verify_adapter
authorStephen Warren <swarren@nvidia.com>
Tue, 17 Apr 2012 18:43:33 +0000 (12:43 -0600)
committerWolfram Sang <w.sang@pengutronix.de>
Sat, 12 May 2012 12:28:16 +0000 (14:28 +0200)
This converts a struct device * to a struct i2c_adapter * while verifying
that the device really is an I2C adapter. Just like i2c_verify_client.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

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