docs: i2c: smbus-protocol: fix link syntax

Use the proper ReST syntax to generate a valid hyperlink.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Luca Ceresoli 2020-01-29 16:19:36 +01:00 committed by Wolfram Sang
parent db0d7424e7
commit 924fbb4d2e

View File

@ -27,8 +27,8 @@ a different protocol operation entirely.
Each transaction type corresponds to a functionality flag. Before calling a
transaction function, a device driver should always check (just once) for
the corresponding functionality flag to ensure that the underlying I2C
adapter supports the transaction in question. See
<file:Documentation/i2c/functionality.rst> for the details.
adapter supports the transaction in question. See :doc:`functionality` for
the details.
Key to symbols