linux-kernel - [PATCH V2 1/1] iio: Add iio_mod_light_uva, iio_mod_light_uvb, and iio_mod_light

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Date:	Thu,  4 Jun 2015 18:47:51 -0700
From:	Kevin Tsai <ktsai@...ellamicro.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	Irina Tirdea <irina.tirdea@...el.com>,
	Daniel Baluta <daniel.baluta@...el.com>,
	Haneen Mohammed <hamohammed.sa@...il.com>,
	Darshana Padmadas <darshanapadmadas@...il.com>,
	Roberta Dobrescu <roberta.dobrescu@...il.com>,
	Vlad Dogaru <vlad.dogaru@...el.com>,
	Reyad Attiyat <reyad.attiyat@...il.com>,
	Octavian Purdila <octavian.purdila@...el.com>,
	Martin Fuzzey <mfuzzey@...keon.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Kevin Tsai <ktsai@...ellamicro.com>
Cc:	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: [PATCH V2 1/1] iio: Add iio_mod_light_uva, iio_mod_light_uvb, and iio_mod_light_uvc.

Add Ultraviolet(UV) support:
UVA: 315 ~ 400 nm
UVB: 280 ~ 315 nm
UVC: 100 ~ 280 nm

/sys/bus/iio/devices/iio:deviceX/in_intensity_uva_input
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvb_input
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvc_input
The SI unit is "uW/mm^2".

/sys/bus/iio/devices/iio:deviceX/in_intensity_uva_min_wavelength
/sys/bus/iio/devices/iio:deviceX/in_intensity_uva_max_wavelength
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvb_min_wavelength
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvb_max_wavelength
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvc_min_wavelength
/sys/bus/iio/devices/iio:deviceX/in_intensity_uvc_max_wavelength
The SI unit is "nm".

Signed-off-by: Kevin Tsai <ktsai@...ellamicro.com>
---
 Documentation/ABI/testing/sysfs-bus-iio | 23 +++++++++++++++++++++++
 drivers/iio/industrialio-core.c         |  3 +++
 include/uapi/linux/iio/types.h          |  3 +++
 tools/iio/iio_event_monitor.c           |  6 ++++++
 4 files changed, 35 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index bbed111..2960142 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1463,3 +1463,26 @@ Description:
 		measurements and return the average value as output data. Each
 		value resulted from <type>[_name]_oversampling_ratio measurements
 		is considered as one sample for <type>[_name]_sampling_frequency.
+
+What:		/sys/.../iio:deviceX/in_intensity_uva[_input|_raw]
+What:		/sys/.../iio:deviceX/in_intensity_uvb[_input|_raw]
+What:		/sys/.../iio:deviceX/in_intensity_uvc[_input|_raw]
+KernelVersion:	4.1.1
+Description:
+		uva is the ultraviolet wavelength from 315nm to 400nm.
+		uvb is the ultraviolet wavelength from 280nm to 315nm.
+		uvc is the ultraviolet wavelength from 100nm to 280nm.
+		The SI unit is "uW/mm^2". Otherwise it should include _raw.
+
+What:		/sys/.../iio:deviceX/in_intensity_uva_min_wavelength
+What:		/sys/.../iio:deviceX/in_intensity_uva_max_wavelength
+What:		/sys/.../iio:deviceX/in_intensity_uvb_min_wavelength
+What:		/sys/.../iio:deviceX/in_intensity_uvb_max_wavelength
+What:		/sys/.../iio:deviceX/in_intensity_uvc_min_wavelength
+What:		/sys/.../iio:deviceX/in_intensity_uvc_max_wavelength
+KernelVersion:	4.1.1
+Description:
+		Sensor may not cover the whole uva/uvb/uvc channel. Add the
+		min/max wavelength properties to descript sensor range.
+		The SI unit is "nm".
+
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 3524b0d..ecbdd1e 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -89,6 +89,9 @@ static const char * const iio_modifier_names[] = {
 	[IIO_MOD_LIGHT_RED] = "red",
 	[IIO_MOD_LIGHT_GREEN] = "green",
 	[IIO_MOD_LIGHT_BLUE] = "blue",
+	[IIO_MOD_LIGHT_UVA] = "uva",
+	[IIO_MOD_LIGHT_UVB] = "uvb",
+	[IIO_MOD_LIGHT_UVC] = "uvc",
 	[IIO_MOD_QUATERNION] = "quaternion",
 	[IIO_MOD_TEMP_AMBIENT] = "ambient",
 	[IIO_MOD_TEMP_OBJECT] = "object",
diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 2f8b117..5c99090 100644
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -72,6 +72,9 @@ enum iio_modifier {
 	IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z,
 	IIO_MOD_I,
 	IIO_MOD_Q,
+	IIO_MOD_LIGHT_UVA,
+	IIO_MOD_LIGHT_UVB,
+	IIO_MOD_LIGHT_UVC,
 };
 
 enum iio_event_type {
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 427c271..46dd27f 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -88,6 +88,9 @@ static const char * const iio_modifier_names[] = {
 	[IIO_MOD_LIGHT_RED] = "red",
 	[IIO_MOD_LIGHT_GREEN] = "green",
 	[IIO_MOD_LIGHT_BLUE] = "blue",
+	[IIO_MOD_LIGHT_UVA] = "uva",
+	[IIO_MOD_LIGHT_UVB] = "uvb",
+	[IIO_MOD_LIGHT_UVC] = "uvc",
 	[IIO_MOD_QUATERNION] = "quaternion",
 	[IIO_MOD_TEMP_AMBIENT] = "ambient",
 	[IIO_MOD_TEMP_OBJECT] = "object",
@@ -156,6 +159,9 @@ static bool event_is_known(struct iio_event_data *event)
 	case IIO_MOD_LIGHT_RED:
 	case IIO_MOD_LIGHT_GREEN:
 	case IIO_MOD_LIGHT_BLUE:
+	case IIO_MOD_LIGHT_UVA:
+	case IIO_MOD_LIGHT_UVB:
+	case IIO_MOD_LIGHT_UVC:
 	case IIO_MOD_QUATERNION:
 	case IIO_MOD_TEMP_AMBIENT:
 	case IIO_MOD_TEMP_OBJECT:
-- 
1.8.3.1

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