From: Laurent Pinchart Date: Tue, 24 Jul 2012 12:13:59 +0000 (+0200) Subject: i2c: Fall back to emulated SMBus if the operation isn't supported natively X-Git-Tag: v3.6-rc1~116^2~1 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72fc2c7f78b0c365454e60ad33b0e74aea43e3ab;p=pandora-kernel.git i2c: Fall back to emulated SMBus if the operation isn't supported natively Adapter drivers might support only a subset of the SMBus operations natively. Those drivers currently have to manually emulate unsupported operations using I2C. Make the i2c_smbus_xfer() function fall back to i2c_smbus_xfer_emulated() when the adapter's .smbus_xfer() operation returns -EOPNOTSUPP, like it already does when the .smbus_xfer() operation isn't available at all. [JD: Minor optimization.] Signed-off-by: Laurent Pinchart Signed-off-by: Jean Delvare --- Reading git-diff-tree failed