iio: Add channel for UV index

UV index indicating strength of sunburn-producing ultraviolet (UV) radiation

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 6fb9180..f155eff 100644 (file)
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1264,6 +1264,15 @@ Description:
                components or just infrared light, respectively. Modifier uv indicates
                that measurements contain ultraviolet light components.
 
+What:          /sys/.../iio:deviceX/in_uvindex_input
+KernelVersion: 4.6
+Contact:       linux-iio@vger.kernel.org
+Description:
+               UV light intensity index measuring the human skin's response to
+               different wavelength of sunlight weighted according to the
+               standardised CIE Erythemal Action Spectrum. UV index values range
+               from 0 (low) to >=11 (extreme).
+
 What:          /sys/.../iio:deviceX/in_intensity_red_integration_time
 What:          /sys/.../iio:deviceX/in_intensity_green_integration_time
 What:          /sys/.../iio:deviceX/in_intensity_blue_integration_time

diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 88353ae..190a593 100644 (file)
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -79,6 +79,7 @@ static const char * const iio_chan_type_name_spec[] = {
        [IIO_CONCENTRATION] = "concentration",
        [IIO_RESISTANCE] = "resistance",
        [IIO_PH] = "ph",
+       [IIO_UVINDEX] = "uvindex",
 };
 
 static const char * const iio_modifier_names[] = {

diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h
index 9337ece..b0916fc 100644 (file)
--- a/include/uapi/linux/iio/types.h
+++ b/include/uapi/linux/iio/types.h
@@ -38,6 +38,7 @@ enum iio_chan_type {
        IIO_CONCENTRATION,
        IIO_RESISTANCE,
        IIO_PH,
+       IIO_UVINDEX,
 };
 
 enum iio_modifier {

diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 8d7d979..d9b7e0f 100644 (file)
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -56,6 +56,7 @@ static const char * const iio_chan_type_name_spec[] = {
        [IIO_CONCENTRATION] = "concentration",
        [IIO_RESISTANCE] = "resistance",
        [IIO_PH] = "ph",
+       [IIO_UVINDEX] = "uvindex",
 };
 
 static const char * const iio_ev_type_text[] = {
@@ -147,6 +148,7 @@ static bool event_is_known(struct iio_event_data *event)
        case IIO_CONCENTRATION:
        case IIO_RESISTANCE:
        case IIO_PH:
+       case IIO_UVINDEX:
                break;
        default:
                return false;