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SubjectRe: [PATCH 0/3] iio: adc: Fix flags in sigma-delta drivers
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In Sigma-Delta devices the SDO line is also used as an interrupt.
Leaving IRQ on level instead of falling might trigger a sample read
when the IRQ is enabled, as the SDO line is already low. Not sure
if SDO line will always imediately go high in ad_sd_buffer_postenable
before the IRQ is enabled.

Also the datasheets seem to explicitly say the falling edge of the SDO
should be used as an interrupt.

-Alexandru

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