Documentation: ABI: testing: ad7192: update sysfs docs

Updated mainline documentation on ad7192 userspace sysfs.

Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192
index 7627d3b..f831520 100644 (file)
--- 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 (file)
index 1c35c50..0000000
--- 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.