From ac216aa290c48a5e9d7b9f2473abb977a175683a Mon Sep 17 00:00:00 2001 From: Harald Geyer Date: Sun, 1 Dec 2013 15:08:00 +0000 Subject: [PATCH] iio: Add support for humidity sensors There are already humidity sensors in the hwmon subsystem, so we use their unit (milli percent) here as well. Signed-off-by: Harald Geyer Signed-off-by: Jonathan Cameron --- Documentation/ABI/testing/sysfs-bus-iio | 13 +++++++++++++ drivers/iio/industrialio-core.c | 1 + include/linux/iio/types.h | 1 + 3 files changed, 15 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index b20e829d350f..6e02c5029152 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -197,6 +197,19 @@ Description: Raw pressure measurement from channel Y. Units after application of scale and offset are kilopascal. +What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_raw +KernelVersion: 3.14 +Contact: linux-iio@vger.kernel.org +Description: + Raw humidity measurement of air. Units after application of + scale and offset are milli percent. + +What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_input +KernelVersion: 3.14 +Contact: linux-iio@vger.kernel.org +Description: + Scaled humidity measurement in milli percent. + What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 2fe88c189f74..acc911a836ca 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -69,6 +69,7 @@ static const char * const iio_chan_type_name_spec[] = { [IIO_ALTVOLTAGE] = "altvoltage", [IIO_CCT] = "cct", [IIO_PRESSURE] = "pressure", + [IIO_HUMIDITYRELATIVE] = "humidityrelative", }; static const char * const iio_modifier_names[] = { diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 4ac928ee31c5..084d882fe01b 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -29,6 +29,7 @@ enum iio_chan_type { IIO_ALTVOLTAGE, IIO_CCT, IIO_PRESSURE, + IIO_HUMIDITYRELATIVE, }; enum iio_modifier {