diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio-adc-stm32')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 index efe4c85e3c8b..1975c7a1af34 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 @@ -5,10 +5,13 @@ Description: The STM32 ADC can be configured to use external trigger sources (e.g. timers, pwm or exti gpio). Then, it can be tuned to start conversions on external trigger by either: + - "rising-edge" - "falling-edge" - "both-edges". + Reading returns current trigger polarity. + Writing value before enabling conversions sets trigger polarity. What: /sys/bus/iio/devices/triggerX/trigger_polarity_available |