iio: ti_am335x_adc: check if we found the value

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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>

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Sebastian Andrzej Siewior 2013-05-29 18:49:55 +02:00

parent 18926edebc

commit 1460c152c5

1 changed files with 6 additions and 2 deletions

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8

drivers/iio/adc/ti_am335x_adc.c

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