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Message-ID: <1337115529.2399.3.camel@jonz-ub2>
Date: Tue, 15 May 2012 15:58:49 -0500
From: Jon Brenner <jbrenner@...sinc.com>
To: Jonathan Cameron <jic23@....ac.uk>
Cc: linux-iio <linux-iio@...r.kernel.org>,
Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH V1] IIO channel type and modifiers for CCT and RGBC data
Add iio channel type and modifiers for Correlated Color Temperature (CCT)
and RGBC (red/green/blue/clear) data.
Add CCT and RGBC descriptions in documentation.
Signed-off-by: Jon Brenner <jbrenner@...sinc.com>
---
drivers/iio/industrialio-core.c | 5 ++
.../staging/iio/Documentation/sysfs-bus-iio-light | 50 ++++++++++++++++++++
include/linux/iio/types.h | 5 ++
3 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 1ddd886..34d8cc9 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -64,6 +64,7 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_TIMESTAMP] = "timestamp",
[IIO_CAPACITANCE] = "capacitance",
[IIO_ALTVOLTAGE] = "altvoltage",
+ [IIO_CCT] = "cct",
};
static const char * const iio_modifier_names[] = {
@@ -72,6 +73,10 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_Z] = "z",
[IIO_MOD_LIGHT_BOTH] = "both",
[IIO_MOD_LIGHT_IR] = "ir",
+ [IIO_MOD_LIGHT_CLEAR] = "clear",
+ [IIO_MOD_LIGHT_RED] = "red",
+ [IIO_MOD_LIGHT_GREEN] = "green",
+ [IIO_MOD_LIGHT_BLUE] = "blue",
};
/* relies on pairs of these shared then separate */
diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-light b/drivers/staging/iio/Documentation/sysfs-bus-iio-light
index 715c74d..f9a4145 100644
--- a/drivers/staging/iio/Documentation/sysfs-bus-iio-light
+++ b/drivers/staging/iio/Documentation/sysfs-bus-iio-light
@@ -34,6 +34,15 @@ Description:
it comes back in SI units, it should also include _input else it
should include _raw to signify it is not in SI units.
+What: /sys/bus/iio/devices/device[n]/in_cct0[_input|_raw]
+KernelVersion: 3.4.0
+Contact: linux-iio@...r.kernel.org
+Description:
+ This should return the correlated color temperature from the
+ light sensor. If it comes back in SI units, it should also
+ include _input else it should include _raw to signify it is not
+ in SI units.
+
What: /sys/.../device[n]/proximity_on_chip_ambient_infrared_supression
KernelVersion: 2.6.37
Contact: linux-iio@...r.kernel.org
@@ -82,3 +91,44 @@ Contact: linux-iio@...r.kernel.org
Description:
This property gets/sets the table of coefficients
used in calculating illuminance in lux.
+
+What: /sys/bus/iio/devices/device[n]/in_intensity_clear[_input|_raw]
+KernelVersion: 3.4.0
+Contact: linux-iio@...r.kernel.org
+Description:
+ This property is supported by sensors that have a RGBC
+ sensing mode. This value should be the output from a reading
+ and if expressed in SI units, should include _input. If this
+ value is not in SI units (e.g. irradiance, uW/mm), then it should
+ include _raw.
+
+What: /sys/bus/iio/devices/device[n]/in_intensity_red[_input|_raw]
+KernelVersion: 3.4.0
+Contact: linux-iio@...r.kernel.org
+Description:
+ This property is supported by sensors that have a RGBC
+ sensing mode. This value should be the output from a reading
+ and if expressed in SI units, should include _input. If this
+ value is not in SI units (e.g. irradiance, uW/mm), then it should
+ include _raw.
+
+What: /sys/bus/iio/devices/device[n]/in_intensity_green[_input|_raw]
+KernelVersion: 3.4.0
+Contact: linux-iio@...r.kernel.org
+Description:
+ This property is supported by sensors that have a RGBC
+ sensing mode. This value should be the output from a reading
+ and if expressed in SI units, should include _input. If this
+ value is not in SI units (e.g. irradiance, uW/mm), then it should
+ include _raw.
+
+What: /sys/bus/iio/devices/device[n]/in_intensity_blue[_input|_raw]
+KernelVersion: 3.4.0
+Contact: linux-iio@...r.kernel.org
+Description:
+ This property is supported by sensors that have a RGBC
+ sensing mode. This value should be the output from a reading
+ and if expressed in SI units, should include _input. If this
+ value is not in SI units (e.g. irradiance, uW/mm), then it should
+ include _raw.
+
diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h
index 1b073b1..a7de5d9 100644
--- a/include/linux/iio/types.h
+++ b/include/linux/iio/types.h
@@ -28,6 +28,7 @@ enum iio_chan_type {
IIO_TIMESTAMP,
IIO_CAPACITANCE,
IIO_ALTVOLTAGE,
+ IIO_CCT,
};
enum iio_modifier {
@@ -45,6 +46,10 @@ enum iio_modifier {
IIO_MOD_X_OR_Y_OR_Z,
IIO_MOD_LIGHT_BOTH,
IIO_MOD_LIGHT_IR,
+ IIO_MOD_LIGHT_CLEAR,
+ IIO_MOD_LIGHT_RED,
+ IIO_MOD_LIGHT_GREEN,
+ IIO_MOD_LIGHT_BLUE,
};
#define IIO_VAL_INT 1
--
1.7.4.1
--
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