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w1: fix build warning in w1_ds2438.rst 

commit c999fbbdcf ("w1: ds2438: support for writing to offset
register") added more documentation, but had a one-off line for the
header of a section which caused the build warning:

	Documentation/w1/slaves/w1_ds2438.rst:56: WARNING: Title underline too short.

Resolve this by fixing the underline to be long enough.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/YKthRzCGan9WEcmP@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-05-24 10:18:15 +02:00
parent 601a688799
commit 83aacfbcbd
1 changed files with 1 additions and 1 deletions
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Documentation/w1/slaves/w1_ds2438.rst
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@ -53,7 +53,7 @@ from the slave device. If it is correct, the 8 bytes page data are passed
to userspace, otherwise an I/O error is returned.
"offset"
-------
--------
This file controls the 2-byte Offset Register of the chip.
Writing a 2-byte value will change the Offset Register, which changes the
current measurement done by the chip. Changing this register to the two's complement