From d7ed89d5aadf09f1060cd3a9cf07df17447c7392 Mon Sep 17 00:00:00 2001 From: Song Hongyan Date: Mon, 20 Mar 2017 22:28:45 +0800 Subject: 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 Signed-off-by: Jonathan Cameron --- include/linux/hid-sensor-ids.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/linux/hid-sensor-ids.h') 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 -- cgit v1.2.3