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| author |   Jonathan Cameron <jic23@kernel.org> | 2012-04-25 15:54:56 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-25 11:00:12 -0700 |
| commit | 49c36dffbd4624fef306162f7ff7458abfc22e1d (patch) | |
| tree | 37cb8235775055d0fee64c7dbcaa92c585f68c67 /drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 | |
| parent | staging,ozwpan: Fix typo in comments within staging/ozwpan (diff) | |
| download | linux-dev-49c36dffbd4624fef306162f7ff7458abfc22e1d.tar.xz linux-dev-49c36dffbd4624fef306162f7ff7458abfc22e1d.zip | |
staging:iio:documentation pull a few sysfs entries out of main docs.
These two attributes are only used in the one driver. Whilst they
are fairly general I'm not entirely happy committing to them at
this stage.
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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. |