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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-02-04 21:09:38 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-02-17 09:00:12 +0100
commit85c93ea7dca475a6ee3bf414befe94b2c42f1001 (patch)
treef1b47f8eb9e8d7c19f6e61e40a2835a9e8f3a045 /drivers/mfd/wm8350-regmap.c
parent62571c29a8343839e85e741db6a489f30686697c (diff)
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mfd: Improve diagnostics for WM8350 ID register probe
Check the return value of the device I/O functions when reading the ID registers so we can provide a more useful diagnostic when we're having trouble talking to the device. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
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