The i2c master send support was already implemented in the i2c_write command, but it was not properly documented. The first patch in the series addresses that.

In the second patch, the i2c master receive mode is implemented in the i2c_read command.

 [PATCH 1/2] i2c_write: document master send mode
 [PATCH 2/2] i2c_read: implement support for master receive mode


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