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Commit 85c93ea7 authored by Mark Brown's avatar Mark Brown Committed by Samuel Ortiz
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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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@openedhand.com>
parent 62571c29
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