Add modifier IIO_MOD_NOX for NOx concentration reporting. NOx (a generic term for the mono-nitrogen oxides) are used in environment sensor as a parameter to show the concentration in index format. An example case: https://www.sensirion.com/media/documents/9F289B95/ 6294DFFC/Info_Note_NOx_Index.pdf Signed-off-by: Hermes Zhang <Hermes.Zhang@xxxxxxxx> --- Documentation/ABI/testing/sysfs-bus-iio | 2 ++ drivers/iio/industrialio-core.c | 1 + include/uapi/linux/iio/types.h | 1 + tools/iio/iio_event_monitor.c | 2 ++ 4 files changed, 6 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index f83bd6829285..c7d54dc1f226 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1898,6 +1898,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_concentration_o2_raw What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_o2_raw What: /sys/bus/iio/devices/iio:deviceX/in_concentration_voc_raw What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_nox_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_nox_raw KernelVersion: 4.3 Contact: linux-iio@xxxxxxxxxxxxxxx Description: diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a2117ad1337d..6a85688c9148 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -151,6 +151,7 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_PITCH] = "pitch", [IIO_MOD_YAW] = "yaw", [IIO_MOD_ROLL] = "roll", + [IIO_MOD_NOX] = "nox", }; /* 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 12886d4465e4..f7dfc4c71495 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -108,6 +108,7 @@ enum iio_modifier { IIO_MOD_ROLL, IIO_MOD_LIGHT_UVA, IIO_MOD_LIGHT_UVB, + IIO_MOD_NOX, }; enum iio_event_type { diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index cccf62ea2b8f..51c6f753e7d4 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -138,6 +138,7 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_PITCH] = "pitch", [IIO_MOD_YAW] = "yaw", [IIO_MOD_ROLL] = "roll", + [IIO_MOD_NOX] = "nox", }; static bool event_is_known(struct iio_event_data *event) @@ -236,6 +237,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_MOD_PM4: case IIO_MOD_PM10: case IIO_MOD_O2: + case IIO_MOD_NOX: break; default: return false; -- 2.45.2
