diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2017-05-02 11:02:41 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-05-02 11:02:41 +0200 |
| commit | 4d6ca227c768b50b05cf183974b40abe444e9d0c (patch) | |
| tree | bf953d8e895281053548b9967a2c4b58d641df00 /Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 | |
| parent | 800f3eef8ebc1264e9c135bfa892c8ae41fa4792 (diff) | |
| parent | af22a610bc38508d5ea760507d31be6b6983dfa8 (diff) | |
Merge branch 'for-4.12/asus' into for-linus
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio-adc-stm32')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 new file mode 100644 index 000000000000..efe4c85e3c8b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 @@ -0,0 +1,18 @@ +What: /sys/bus/iio/devices/triggerX/trigger_polarity +KernelVersion: 4.11 +Contact: fabrice.gasnier@st.com +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 +KernelVersion: 4.11 +Contact: fabrice.gasnier@st.com +Description: + List all available trigger_polarity settings. |