From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 25 Jan 2017 20:07:47 +0100 From: Andreas Klinger To: jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, ktsai@capellamicro.com, wsa@the-dreams.de, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, trivial@kernel.org, mranostay@gmail.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org Cc: ak@it-klinger.de Subject: [PATCH v4 3/3] iio: distance: srf08: add driver ABI documentation Message-ID: <20170125190747.GA9285@andreas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii List-ID: Add sysfs-bus-iio-distance-srf08 for individual attributes of the driver, especially: - sensitivity which the device documentation calls gain for amplifying the signal - max_range for limiting the maximum distance for expected echos and therefore limiting the time waiting for telegrams Signed-off-by: Andreas Klinger --- .../ABI/testing/sysfs-bus-iio-distance-srf08 | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 diff --git a/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 new file mode 100644 index 000000000000..0a1ca1487fa9 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 @@ -0,0 +1,22 @@ +What /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity +Date: January 2017 +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Show or set the gain boost of the amp, from 0-31 range. + default 31 + +What /sys/bus/iio/devices/iio:deviceX/sensor_max_range +Date: January 2017 +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Show or set the maximum range between the sensor and the + first object echoed in meters. Default value is 6.020. + This setting limits the time the driver is waiting for a + echo. + Showing the range of available values is represented as the + minimum value, the step and the maximum value, all enclosed + in square brackets. + Example: + [0.043 0.043 11.008] -- 2.1.4