linux-kernel - [v3 04/13] iio: add modifers for pitch, yaw, roll

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Date:   Thu, 17 Feb 2022 17:27:01 +0100
From:   Andrea Merello <andrea.merello@...il.com>
To:     jic23@...nel.org, mchehab+huawei@...nel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     lars@...afoo.de, robh+dt@...nel.org, andy.shevchenko@...il.com,
        matt.ranostay@...sulko.com, ardeleanalex@...il.com,
        jacopo@...ndi.org, Andrea Merello <andrea.merello@...il.com>,
        Andrea Merello <andrea.merello@....it>
Subject: [v3 04/13] iio: add modifers for pitch, yaw, roll

This patch adds modifiers for reporting rotations as euler angles (i.e.
yaw, pitch and roll).

Signed-off-by: Andrea Merello <andrea.merello@....it>
---
 drivers/iio/industrialio-core.c | 3 +++
 include/uapi/linux/iio/types.h  | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 252dbe3444cc..8a5ba32d3963 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -137,6 +137,9 @@ static const char * const iio_modifier_names[] = {
 	[IIO_MOD_LINEAR_X] = "linear_x",
 	[IIO_MOD_LINEAR_Y] = "linear_y",
 	[IIO_MOD_LINEAR_Z] = "linear_z",
+	[IIO_MOD_PITCH] = "pitch",
+	[IIO_MOD_YAW] = "yaw",
+	[IIO_MOD_ROLL] = "roll",
 };
 
 /* relies on pairs of these shared then separate */
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 387a1b5cd1a9..4a7481cdaf7a 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -98,6 +98,9 @@ enum iio_modifier {
 	IIO_MOD_LINEAR_X,
 	IIO_MOD_LINEAR_Y,
 	IIO_MOD_LINEAR_Z,
+	IIO_MOD_PITCH,
+	IIO_MOD_YAW,
+	IIO_MOD_ROLL,
 };
 
 enum iio_event_type {
-- 
2.17.1