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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: NJonathan Cameron <jic23@kernel.org> Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de>
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