| Message ID | 20220626122938.582107-16-jic23@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [v3,01/17] iio: core: Increase precision of IIO_VAL_FRACTIONAL_LOG2 when possible | expand |
On Sun, Jun 26, 2022 at 2:20 PM Jonathan Cameron <jic23@kernel.org> wrote: > > From: Jonathan Cameron <Jonathan.Cameron@huawei.com> > > The datasheet description of offset calibration is complex, so for that > on just refer the reader to the device datasheet. ... > +What: /sys/.../iio:deviceX/in_capacitableY_calibbias_calibration > +What: /sys/.../iio:deviceX/in_capacitableY_calibscale_calibration > +KernelVersion: 5.19 5.20 ? > +Contact: linux-iio@vger.kernel.org > +Description: > + Write 1 to trigger a calibration of the calibbias or > + calibscale. For calibscale, a fullscale capacitance should full scale > + be connected to the capacitance input and a > + calibscale_calibration then started. For calibbias see > + the device datasheet section on "capacitive system offset > + calibration".
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..6db81725b5d2 --- /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: 5.19 +Contact: linux-iio@vger.kernel.org +Description: + Write 1 to trigger a calibration of the calibbias or + calibscale. For calibscale, a fullscale 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".