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| author | Song Hongyan <hongyan.song@intel.com> | 2017-03-20 22:28:45 +0800 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2017-03-25 16:32:24 +0000 |
| commit | d7ed89d5aadf09f1060cd3a9cf07df17447c7392 (patch) | |
| tree | 1b253926d498d7746d1a4dc29a3686998507021f /include/linux/hid-sensor-ids.h | |
| parent | e0ad9b73e81a2dfb8cf8b375fefbb0891a8187a1 (diff) | |
| download | linux-rpi-d7ed89d5aadf09f1060cd3a9cf07df17447c7392.tar.gz linux-rpi-d7ed89d5aadf09f1060cd3a9cf07df17447c7392.tar.bz2 linux-rpi-d7ed89d5aadf09f1060cd3a9cf07df17447c7392.zip | |
iio: hid: Add humidity sensor support
Environmental humidity sensor is a hid defined sensor,
it shows raw humidity measurement of air.
More information can be found in:
http://www.usb.org/developers/hidpage/HUTRR39b.pdf
According to IIO ABI definition, humidityrelative data output unit is
milli percent. Add the unit convert from percent to milli percent.
Signed-off-by: Song Hongyan <hongyan.song@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'include/linux/hid-sensor-ids.h')
| -rw-r--r-- | include/linux/hid-sensor-ids.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 46dd1f27d2f2..761f86242473 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -49,6 +49,10 @@ #define HID_USAGE_SENSOR_TEMPERATURE 0x200033 #define HID_USAGE_SENSOR_DATA_ENVIRONMENTAL_TEMPERATURE 0x200434 +/* humidity */ +#define HID_USAGE_SENSOR_HUMIDITY 0x200032 +#define HID_USAGE_SENSOR_ATMOSPHERIC_HUMIDITY 0x200433 + /* Gyro 3D: (200076) */ #define HID_USAGE_SENSOR_GYRO_3D 0x200076 #define HID_USAGE_SENSOR_DATA_ANGL_VELOCITY 0x200456 |