Hello,

in the documentation i found at
http://ww2.cs.fsu.edu/~rosentha/linux/2.6.26.5/docs/DocBook/kernel-api/re1222.html
the following sentence:

"Note that using this function requires that the client's adapter
support the I2C_FUNC_SMBUS_READ_BLOCK_DATA functionality. Not all
adapter drivers support this; its emulation through I2C messaging relies
on a specific mechanism (I2C_M_RECV_LEN) which may not be implemented."

The second sentence says that the mechanism I2C_M_RECV_LEN is not all
over implemented.

How i can figure out whether this mechanism will be provided of my driver?
What is the alternative of using the function i2c_smbus_read_block_data?

Thanks a lot for your support,

Michael Post
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