On Wed, 5 Feb 2020 19:15:10 +0200 Alexandru Tachici <alexandru.tachici@xxxxxxxxxx> wrote: > Updated mainline documentation on ad7192 userspace sysfs. > > Signed-off-by: Alexandru Tachici <alexandru.tachici@xxxxxxxxxx> looks good, but the shorted channel docs need to be added as well unless I'm missing something. Thanks, Jonathan > --- > .../ABI/testing/sysfs-bus-iio-adc-ad7192 | 17 ++++++++++------ > .../iio/Documentation/sysfs-bus-iio-ad7192 | 20 ------------------- > 2 files changed, 11 insertions(+), 26 deletions(-) > delete mode 100644 drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 > index 7627d3be08f5..9be6b8a69a19 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 > +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 > @@ -2,17 +2,22 @@ What: /sys/bus/iio/devices/iio:deviceX/ac_excitation_en > KernelVersion: > Contact: linux-iio@xxxxxxxxxxxxxxx > Description: > - Reading gives the state of AC excitation. > - Writing '1' enables AC excitation. > + This attribute, if available, is used to enable the AC > + excitation mode found on some converters. In ac excitation mode, > + the polarity of the excitation voltage is reversed on > + alternate cycles, to eliminate DC errors. > > What: /sys/bus/iio/devices/iio:deviceX/bridge_switch_en > KernelVersion: > Contact: linux-iio@xxxxxxxxxxxxxxx > Description: > - This bridge switch is used to disconnect it when there is a > - need to minimize the system current consumption. > - Reading gives the state of the bridge switch. > - Writing '1' enables the bridge switch. > + This attribute, if available, is used to close or open the > + bridge power down switch found on some converters. > + In bridge applications, such as strain gauges and load cells, > + the bridge itself consumes the majority of the current in the > + system. To minimize the current consumption of the system, > + the bridge can be disconnected (when it is not being used > + using the bridge_switch_en attribute. > > What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration > KernelVersion: > diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 > deleted file mode 100644 > index 1c35c507cc05..000000000000 > --- a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 > +++ /dev/null > @@ -1,20 +0,0 @@ > -What: /sys/.../iio:deviceX/ac_excitation_en > -KernelVersion: 3.1.0 > -Contact: linux-iio@xxxxxxxxxxxxxxx > -Description: > - This attribute, if available, is used to enable the AC > - excitation mode found on some converters. In ac excitation mode, > - the polarity of the excitation voltage is reversed on > - alternate cycles, to eliminate DC errors. > - > -What: /sys/.../iio:deviceX/bridge_switch_en > -KernelVersion: 3.1.0 > -Contact: linux-iio@xxxxxxxxxxxxxxx > -Description: > - This attribute, if available, is used to close or open the > - bridge power down switch found on some converters. > - In bridge applications, such as strain gauges and load cells, > - the bridge itself consumes the majority of the current in the > - system. To minimize the current consumption of the system, > - the bridge can be disconnected (when it is not being used > - using the bridge_switch_en attribute.
