diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 index d9555751d21c..f24ed6687e90 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad4130 @@ -3,25 +3,35 @@ KernelVersion: 6.2 Contact: [email protected] Description: Reading returns a list with the possible filter modes. - "sinc4" - Sinc 4. Excellent noise performance. Long 1st - conversion time. No natural 50/60Hz rejection. - "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion time. - "sinc3" - Sinc3. Moderate 1st conversion time. Good noise - performance. - "sinc3+rej60" - Sinc3 + 60Hz rejection. At a sampling frequency - of 50Hz, achieves simultaneous 50Hz and 60Hz - rejection. - "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion time. - Best used with a sampling frequency of at least - 216.19Hz. - "sinc3+pf1" - Sinc3 + Post Filter 1. - 53dB rejection @ 50Hz, 58dB rejection @ 60Hz. - "sinc3+pf2" - Sinc3 + Post Filter 2. - 70dB rejection @ 50Hz, 70dB rejection @ 60Hz. - "sinc3+pf3" - Sinc3 + Post Filter 3. - 99dB rejection @ 50Hz, 103dB rejection @ 60Hz. - "sinc3+pf4" - Sinc3 + Post Filter 4. - 103dB rejection @ 50Hz, 109dB rejection @ 60Hz. + + * "sinc4" - Sinc 4. Excellent noise performance. Long + 1st conversion time. No natural 50/60Hz rejection. + + * "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion + time. + + * "sinc3" - Sinc3. Moderate 1st conversion time. + Good noise performance. + + * "sinc3+rej60" - Sinc3 + 60Hz rejection. At a sampling + frequency of 50Hz, achieves simultaneous 50Hz and 60Hz + rejection. + + * "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion + time. Best used with a sampling frequency of at least + 216.19Hz. + + * "sinc3+pf1" - Sinc3 + Post Filter 1. 53dB rejection @ + 50Hz, 58dB rejection @ 60Hz. + + * "sinc3+pf2" - Sinc3 + Post Filter 2. 70dB rejection @ + 50Hz, 70dB rejection @ 60Hz. + + * "sinc3+pf3" - Sinc3 + Post Filter 3. 99dB rejection @ + 50Hz, 103dB rejection @ 60Hz. + + * "sinc3+pf4" - Sinc3 + Post Filter 4. 103dB rejection @ + 50Hz, 109dB rejection @ 60Hz. What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_mode KernelVersion: 6.2 |