From: Andreas Klinger <ak@it-klinger.de>
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
Date: Wed, 25 Jan 2017 20:07:47 +0100 [thread overview]
Message-ID: <20170125190747.GA9285@andreas> (raw)
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 <ak@it-klinger.de>
---
.../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
next reply other threads:[~2017-01-25 19:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-25 19:07 Andreas Klinger [this message]
2017-01-28 16:39 ` [PATCH v4 3/3] iio: distance: srf08: add driver ABI documentation Jonathan Cameron
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