diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 11 | ||||
| -rw-r--r-- | drivers/iio/industrialio-core.c | 3 | ||||
| -rw-r--r-- | include/uapi/linux/iio/types.h | 3 |
3 files changed, 17 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 20312a0e8197..08903b940957 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1460,3 +1460,14 @@ 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/bus/iio/devices/iio:deviceX/in_concentration_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_co2_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentration_voc_raw +What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw +KernelVersion: 4.3 +Contact: linux-iio@vger.kernel.org +Description: + Raw (unscaled no offset etc.) percentage reading of a substance. diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index bef690ed0480..ee09a945a2c7 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -75,6 +75,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_ENERGY] = "energy", [IIO_DISTANCE] = "distance", [IIO_VELOCITY] = "velocity", + [IIO_CONCENTRATION] = "concentration", }; static const char * const iio_modifier_names[] = { @@ -111,6 +112,8 @@ static const char * const iio_modifier_names[] = { [IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z] = "sqrt(x^2+y^2+z^2)", [IIO_MOD_I] = "i", [IIO_MOD_Q] = "q", + [IIO_MOD_CO2] = "co2", + [IIO_MOD_VOC] = "voc", }; /* 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 2f8b11722204..1e4c4e346ffb 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -35,6 +35,7 @@ enum iio_chan_type { IIO_ENERGY, IIO_DISTANCE, IIO_VELOCITY, + IIO_CONCENTRATION, }; enum iio_modifier { @@ -72,6 +73,8 @@ enum iio_modifier { IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z, IIO_MOD_I, IIO_MOD_Q, + IIO_MOD_CO2, + IIO_MOD_VOC, }; enum iio_event_type { |