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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-26 13:29:36 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-08-15 22:30:01 +0100 |
| commit | cc21231ef0995a6507f2976e40fa473b82e84a44 (patch) | |
| tree | cd18103aa4eba9bc477ceb1225949ddda4907b75 | |
| parent | 6d6c760954dc3075378ce925f8a511c64cbd908f (diff) | |
| download | linux-cc21231ef0995a6507f2976e40fa473b82e84a44.tar.bz2 | |
iio: cdc: ad7746: Add device specific ABI documentation.
The datasheet description of offset calibration is complex, so for that
on just refer the reader to the device datasheet.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220626122938.582107-16-jic23@kernel.org
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-cdc-ad7746 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-cdc-ad7746 b/Documentation/ABI/testing/sysfs-bus-iio-cdc-ad7746 new file mode 100644 index 000000000000..02ca8941dce1 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-cdc-ad7746 @@ -0,0 +1,11 @@ +What: /sys/.../iio:deviceX/in_capacitableY_calibbias_calibration +What: /sys/.../iio:deviceX/in_capacitableY_calibscale_calibration +KernelVersion: 6.1 +Contact: linux-iio@vger.kernel.org +Description: + Write 1 to trigger a calibration of the calibbias or + calibscale. For calibscale, a full scale capacitance should + be connected to the capacitance input and a + calibscale_calibration then started. For calibbias see + the device datasheet section on "capacitive system offset + calibration". |