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iio: ti_am335x_adc: check if we found the value
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 29 May 2013 16:49:55 +0000 (18:49 +0200)
committerSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 12 Jun 2013 16:50:23 +0000 (18:50 +0200)
Usually we get all the values we wanted but it is possible, that te ADC
unit is busy performing the conversation for the HW events. In that case
-EBUSY is returned and the user may re-call the function.

Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

No differences found
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