diff options
Diffstat (limited to 'drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192')
| -rw-r--r-- | drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 new file mode 100644 index 000000000000..1c35c507cc05 --- /dev/null +++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 @@ -0,0 +1,20 @@ +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. |