1732f2dc4SFabrice GasnierWhat:		/sys/bus/iio/devices/triggerX/trigger_polarity
2732f2dc4SFabrice GasnierKernelVersion:	4.11
3732f2dc4SFabrice GasnierContact:	fabrice.gasnier@st.com
4732f2dc4SFabrice GasnierDescription:
5732f2dc4SFabrice Gasnier		The STM32 ADC can be configured to use external trigger sources
6732f2dc4SFabrice Gasnier		(e.g. timers, pwm or exti gpio). Then, it can be tuned to start
7732f2dc4SFabrice Gasnier		conversions on external trigger by either:
8732f2dc4SFabrice Gasnier		- "rising-edge"
9732f2dc4SFabrice Gasnier		- "falling-edge"
10732f2dc4SFabrice Gasnier		- "both-edges".
11732f2dc4SFabrice Gasnier		Reading returns current trigger polarity.
12732f2dc4SFabrice Gasnier		Writing value before enabling conversions sets trigger polarity.
13732f2dc4SFabrice Gasnier
14732f2dc4SFabrice GasnierWhat:		/sys/bus/iio/devices/triggerX/trigger_polarity_available
15732f2dc4SFabrice GasnierKernelVersion:	4.11
16732f2dc4SFabrice GasnierContact:	fabrice.gasnier@st.com
17732f2dc4SFabrice GasnierDescription:
18732f2dc4SFabrice Gasnier		List all available trigger_polarity settings.
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