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power_supply_sysfs: Handle -ENODATA in a special way
authorAnton Vorontsov <avorontsov@ru.mvista.com>
Wed, 2 Dec 2009 21:24:51 +0000 (00:24 +0300)
committerGrazvydas Ignotas <notasas@gmail.com>
Sat, 27 Feb 2010 15:10:42 +0000 (17:10 +0200)
There are cases when some device can not report any meaningful value,
e.g. TWL4030 charger can report voltage only when charging is
active.

In these cases drivers will return -ENODATA, and we shouldn't flood
kernel log with error messages.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>

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