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Commit 571299d0 authored Jan 05, 2017 by Song Hongyan Committed by Jonathan Cameron Jan 05, 2017

iio: Add channel for Gravity

Add new channel types support for gravity sensor.

Gravity sensor provides an application-level or physical collection that
identifies a device that measures exclusively the force of Earth's
gravity along any number of axes.

More information can be found in:
http://www.usb.org/developers/hidpage/HUTRR59_-_Usages_for_Wearables.pdf



Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent b257c1a4

Documentation/ABI/testing/sysfs-bus-iio

+10 −0

Original line number	Original line	Diff line number	Diff line
	@@ -170,6 +170,16 @@ Description:
	Has all of the equivalent parameters as per voltageY. Units		Has all of the equivalent parameters as per voltageY. Units
	after application of scale and offset are m/s^2.		after application of scale and offset are m/s^2.

			What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw
			What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw
			What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw
			KernelVersion: 4.11
			Contact: linux-iio@vger.kernel.org
			Description:
			Gravity in direction x, y or z (may be arbitrarily assigned
			but should match other such assignments on device).
			Units after application of scale and offset are m/s^2.

	What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw		What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw
	What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw		What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw
	What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw		What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw

drivers/iio/industrialio-core.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -83,6 +83,7 @@ static const char * const iio_chan_type_name_spec[] = {
	[IIO_ELECTRICALCONDUCTIVITY] = "electricalconductivity",		[IIO_ELECTRICALCONDUCTIVITY] = "electricalconductivity",
	[IIO_COUNT] = "count",		[IIO_COUNT] = "count",
	[IIO_INDEX] = "index",		[IIO_INDEX] = "index",
			[IIO_GRAVITY] = "gravity",
	};		};

	static const char * const iio_modifier_names[] = {		static const char * const iio_modifier_names[] = {

include/uapi/linux/iio/types.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -42,6 +42,7 @@ enum iio_chan_type {
	IIO_ELECTRICALCONDUCTIVITY,		IIO_ELECTRICALCONDUCTIVITY,
	IIO_COUNT,		IIO_COUNT,
	IIO_INDEX,		IIO_INDEX,
			IIO_GRAVITY,
	};		};

	enum iio_modifier {		enum iio_modifier {

tools/iio/iio_event_monitor.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -57,6 +57,7 @@ static const char * const iio_chan_type_name_spec[] = {
	[IIO_RESISTANCE] = "resistance",		[IIO_RESISTANCE] = "resistance",
	[IIO_PH] = "ph",		[IIO_PH] = "ph",
	[IIO_UVINDEX] = "uvindex",		[IIO_UVINDEX] = "uvindex",
			[IIO_GRAVITY] = "gravity",
	};		};

	static const char * const iio_ev_type_text[] = {		static const char * const iio_ev_type_text[] = {
	@@ -149,6 +150,7 @@ static bool event_is_known(struct iio_event_data *event)
	case IIO_RESISTANCE:		case IIO_RESISTANCE:
	case IIO_PH:		case IIO_PH:
	case IIO_UVINDEX:		case IIO_UVINDEX:
			case IIO_GRAVITY:
	break;		break;
	default:		default:
	return false;		return false;