| Message ID | 20200212161721.16200-5-alexandru.tachici@analog.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iio: adc: ad7192: move out of staging | expand |
On Wed, 12 Feb 2020 18:17:20 +0200 Alexandru Tachici <alexandru.tachici@analog.com> wrote: > Updated mainline documentation on ad7192 userspace sysfs. > > Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Applied. Thanks, Jonathan > --- > .../ABI/testing/sysfs-bus-iio-adc-ad7192 | 24 ++++++++++++++----- > .../iio/Documentation/sysfs-bus-iio-ad7192 | 20 ---------------- > 2 files changed, 18 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..f8315202c8f0 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@vger.kernel.org > 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@vger.kernel.org > 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: > @@ -21,6 +26,13 @@ Description: > Initiates the system calibration procedure. This is done on a > single channel at a time. Write '1' to start the calibration. > > +What: /sys/bus/iio/devices/iio:deviceX/in_voltage2-voltage2_shorted_raw > +KernelVersion: > +Contact: linux-iio@vger.kernel.org > +Description: > + Measure voltage from AIN2 pin connected to AIN(+) > + and AIN(-) shorted. > + > What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available > KernelVersion: > Contact: linux-iio@vger.kernel.org > 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@vger.kernel.org > -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@vger.kernel.org > -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.
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 index 7627d3be08f5..f8315202c8f0 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@vger.kernel.org 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@vger.kernel.org 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: @@ -21,6 +26,13 @@ Description: Initiates the system calibration procedure. This is done on a single channel at a time. Write '1' to start the calibration. +What: /sys/bus/iio/devices/iio:deviceX/in_voltage2-voltage2_shorted_raw +KernelVersion: +Contact: linux-iio@vger.kernel.org +Description: + Measure voltage from AIN2 pin connected to AIN(+) + and AIN(-) shorted. + What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available KernelVersion: Contact: linux-iio@vger.kernel.org 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@vger.kernel.org -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@vger.kernel.org -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.
Updated mainline documentation on ad7192 userspace sysfs. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> --- .../ABI/testing/sysfs-bus-iio-adc-ad7192 | 24 ++++++++++++++----- .../iio/Documentation/sysfs-bus-iio-ad7192 | 20 ---------------- 2 files changed, 18 insertions(+), 26 deletions(-) delete mode 100644 drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192