From: Daniel Baluta <daniel.baluta@intel.com>
To: jic23@kernel.org, pmeerw@pmeerw.net, vlad.dogaru@intel.com,
tiberiu.a.breana@intel.com
Cc: knaack.h@gmx.de, lars@metafoo.de, linux-kernel@vger.kernel.org,
linux-iio@vger.kernel.org
Subject: [PATCH 1/2] iio: ABI: Clarify proximity output value
Date: Thu, 11 Jun 2015 18:49:33 +0300 [thread overview]
Message-ID: <1434037774-22081-2-git-send-email-daniel.baluta@intel.com> (raw)
In-Reply-To: <1434037774-22081-1-git-send-email-daniel.baluta@intel.com>
Current description for proximity measurement is ambiguous. While
the first part says that proximity is measured by observing
reflectivity, the second part incorrectly infers that reported values
should behave like a distance.
This is because of AS3935 lightning sensor which uses the proximity
API, while not being a true proximity sensor.
Fixes: 614e8842ddf ("iio: ABI: add clarification for proximity")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
---
Documentation/ABI/testing/sysfs-bus-iio | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index bbed111..70c9b1a 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1234,10 +1234,8 @@ Description:
object is near the sensor, usually be observing
reflectivity of infrared or ultrasound emitted.
Often these sensors are unit less and as such conversion
- to SI units is not possible. Where it is, the units should
- be meters. If such a conversion is not possible, the reported
- values should behave in the same way as a distance, i.e. lower
- values indicate something is closer to the sensor.
+ to SI units is not possible. Higher proximity measurements
+ indicate closer objects, and vice versa.
What: /sys/.../iio:deviceX/in_illuminance_input
What: /sys/.../iio:deviceX/in_illuminance_raw
--
1.9.1
next prev parent reply other threads:[~2015-06-11 15:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 15:49 [PATCH 0/2] Clarify proximity output value interpretation Daniel Baluta
2015-06-11 15:49 ` Daniel Baluta [this message]
2015-06-16 20:41 ` [PATCH 1/2] iio: ABI: Clarify proximity output value Peter Meerwald
2015-06-21 13:39 ` Jonathan Cameron
2015-06-11 15:49 ` [PATCH 2/2] iio: proximity: sx9500: Fix proximity value Daniel Baluta
2015-06-12 7:40 ` Vlad Dogaru
2015-06-13 18:21 ` Jonathan Cameron
2015-06-13 18:32 ` Daniel Baluta
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