linux-kernel - [PATCH v2 1/3] iio: add modifiers for A and B ultraviolet light

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Message-Id: <20231110-veml6075-v2-1-d04efbc8bf51@gmail.com>
Date:   Sat, 25 Nov 2023 12:56:55 +0100
From:   Javier Carrasco <javier.carrasco.cruz@...il.com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org,
        Javier Carrasco <javier.carrasco.cruz@...il.com>
Subject: [PATCH v2 1/3] iio: add modifiers for A and B ultraviolet light

Currently there are only two modifiers for ultraviolet light: a generic
one for any ultraviolet light (IIO_MOD_LIGHT_UV) and one for deep
ultraviolet (IIO_MOD_LIGHT_DUV), which is also referred as ultraviolet
C (UV-C) band and covers short-wave ultraviolet.

There are still no modifiers for the long-wave and medium-wave
ultraviolet bands. These two bands are the main components used to
obtain the UV index on the Earth's surface.

Add modifiers for the ultraviolet A (UV-A) and ultraviolet B (UV-B)
bands.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>
---
 Documentation/ABI/testing/sysfs-bus-iio | 7 +++++--
 drivers/iio/industrialio-core.c         | 2 ++
 include/uapi/linux/iio/types.h          | 2 ++
 tools/iio/iio_event_monitor.c           | 2 ++
 4 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 19cde14f3869..e2a9937be99c 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1574,6 +1574,8 @@ What:		/sys/.../iio:deviceX/in_intensityY_raw
 What:		/sys/.../iio:deviceX/in_intensityY_ir_raw
 What:		/sys/.../iio:deviceX/in_intensityY_both_raw
 What:		/sys/.../iio:deviceX/in_intensityY_uv_raw
+What:		/sys/.../iio:deviceX/in_intensityY_uva_raw
+What:		/sys/.../iio:deviceX/in_intensityY_uvb_raw
 What:		/sys/.../iio:deviceX/in_intensityY_duv_raw
 KernelVersion:	3.4
 Contact:	linux-iio@...r.kernel.org
@@ -1582,8 +1584,9 @@ Description:
 		that measurements contain visible and infrared light
 		components or just infrared light, respectively. Modifier
 		uv indicates that measurements contain ultraviolet light
-		components. Modifier duv indicates that measurements
-		contain deep ultraviolet light components.
+		components. Modifiers uva, uvb and duv indicate that
+		measurements contain A, B or deep (C) ultraviolet light
+		components respectively.
 
 What:		/sys/.../iio:deviceX/in_uvindex_input
 KernelVersion:	4.6
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index c77745b594bd..65f567e4ff2a 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -117,6 +117,8 @@ static const char * const iio_modifier_names[] = {
 	[IIO_MOD_LIGHT_GREEN] = "green",
 	[IIO_MOD_LIGHT_BLUE] = "blue",
 	[IIO_MOD_LIGHT_UV] = "uv",
+	[IIO_MOD_LIGHT_UVA] = "uva",
+	[IIO_MOD_LIGHT_UVB] = "uvb",
 	[IIO_MOD_LIGHT_DUV] = "duv",
 	[IIO_MOD_QUATERNION] = "quaternion",
 	[IIO_MOD_TEMP_AMBIENT] = "ambient",
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 9c2ffdcd6623..5060963707b1 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -91,6 +91,8 @@ enum iio_modifier {
 	IIO_MOD_CO2,
 	IIO_MOD_VOC,
 	IIO_MOD_LIGHT_UV,
+	IIO_MOD_LIGHT_UVA,
+	IIO_MOD_LIGHT_UVB,
 	IIO_MOD_LIGHT_DUV,
 	IIO_MOD_PM1,
 	IIO_MOD_PM2P5,
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 2eaaa7123b04..8073c9e4fe46 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -105,6 +105,8 @@ static const char * const iio_modifier_names[] = {
 	[IIO_MOD_LIGHT_GREEN] = "green",
 	[IIO_MOD_LIGHT_BLUE] = "blue",
 	[IIO_MOD_LIGHT_UV] = "uv",
+	[IIO_MOD_LIGHT_UVA] = "uva",
+	[IIO_MOD_LIGHT_UVB] = "uvb",
 	[IIO_MOD_LIGHT_DUV] = "duv",
 	[IIO_MOD_QUATERNION] = "quaternion",
 	[IIO_MOD_TEMP_AMBIENT] = "ambient",

-- 
2.39.2