linux-kernel - [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO

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Date:	Sat, 20 Dec 2014 00:57:56 +0200
From:	Irina Tirdea <irina.tirdea@...el.com>
To:	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Vlad Dogaru <vlad.dogaru@...el.com>,
	Daniel Baluta <daniel.baluta@...el.com>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Irina Tirdea <irina.tirdea@...el.com>
Subject: [PATCH 5/8] iio: core: Introduce IIO_CHAN_INFO_CALIBGENDER

Some devices need the gender of the user to compute various
parameters. One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that needs the gender of the user to compute distance, speed and activity type.

Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
---
 Documentation/ABI/testing/sysfs-bus-iio |    8 ++++++++
 drivers/iio/industrialio-core.c         |    1 +
 include/linux/iio/iio.h                 |    1 +
 3 files changed, 10 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index e480175..3b68c2d 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -343,6 +343,14 @@ Description:
 		production inaccuracies).  If shared across all channels,
 		<type>_calibscale is used.
 
+What:		/sys/bus/iio/devices/iio:deviceX/in_steps_calibgender
+KernelVersion:	3.19
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Gender of the user: 0 for female and 1 for male. It is needed
+		by some pedometers to compute the stride length, distance,
+		speed and activity type.
+
 What:		/sys/bus/iio/devices/iio:deviceX/in_steps_calibheight
 KernelVersion:	3.19
 Contact:	linux-iio@...r.kernel.org
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 4c435c8..93a39f9 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -125,6 +125,7 @@ static const char * const iio_chan_info_postfix[] = {
 	[IIO_CHAN_INFO_ENABLE] = "en",
 	[IIO_CHAN_INFO_CALIBHEIGHT] = "calibheight",
 	[IIO_CHAN_INFO_CALIBWEIGHT] = "calibweight",
+	[IIO_CHAN_INFO_CALIBGENDER] = "calibgender",
 };
 
 /**
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 752a929..63dac0f 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -41,6 +41,7 @@ enum iio_chan_info_enum {
 	IIO_CHAN_INFO_ENABLE,
 	IIO_CHAN_INFO_CALIBHEIGHT,
 	IIO_CHAN_INFO_CALIBWEIGHT,
+	IIO_CHAN_INFO_CALIBGENDER,
 };
 
 enum iio_shared_by {
-- 
1.7.9.5

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