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authorIrina Tirdea <irina.tirdea@intel.com>2015-01-11 22:10:10 +0300
committerJonathan Cameron <jic23@kernel.org>2015-01-27 21:49:54 +0300
commitd37f6836fa285882450e28d1cbc5a9b624911e7e (patch)
tree9ccac6fa388dd5769855439f8845ab36cb5ce5e7
parent5a1a932981415661827f7edd9e99943a2a3b7b67 (diff)
downloadlinux-d37f6836fa285882450e28d1cbc5a9b624911e7e.tar.xz
iio: core: Introduce IIO_CHAN_INFO_CALIBWEIGHT
Some devices need the weight of the user to compute other parameters. One of this devices is Freescale's MMA9553L (http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf) that needs the weight of the user to compute the number of calories burnt. Signed-off-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
-rw-r--r--Documentation/ABI/testing/sysfs-bus-iio7
-rw-r--r--drivers/iio/industrialio-core.c1
-rw-r--r--include/linux/iio/iio.h1
3 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 80b5efb1cdbf..71dc8db4388b 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -351,6 +351,13 @@ Description:
to compute the stride length, distance, speed and activity
type.
+What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibweight
+KernelVersion: 3.20
+Contact: linux-iio@vger.kernel.org
+Description:
+ Weight of the user (in kg). It is needed by some pedometers
+ to compute the calories burnt by the user.
+
What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available
What: /sys/.../iio:deviceX/in_voltageX_scale_available
What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 18a8ab911aab..4ee6fdfa92fe 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_INT_TIME] = "integration_time",
[IIO_CHAN_INFO_ENABLE] = "en",
[IIO_CHAN_INFO_CALIBHEIGHT] = "calibheight",
+ [IIO_CHAN_INFO_CALIBWEIGHT] = "calibweight",
};
/**
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 590202024857..51f16437dacc 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -40,6 +40,7 @@ enum iio_chan_info_enum {
IIO_CHAN_INFO_INT_TIME,
IIO_CHAN_INFO_ENABLE,
IIO_CHAN_INFO_CALIBHEIGHT,
+ IIO_CHAN_INFO_CALIBWEIGHT,
};
enum iio_shared_by {