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authorSong Hongyan <hongyan.song@intel.com>2017-03-20 17:28:45 +0300
committerJonathan Cameron <jic23@kernel.org>2017-03-25 19:32:24 +0300
commitd7ed89d5aadf09f1060cd3a9cf07df17447c7392 (patch)
tree1b253926d498d7746d1a4dc29a3686998507021f /drivers/iio/common
parente0ad9b73e81a2dfb8cf8b375fefbb0891a8187a1 (diff)
downloadlinux-d7ed89d5aadf09f1060cd3a9cf07df17447c7392.tar.xz
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 'drivers/iio/common')
-rw-r--r--drivers/iio/common/hid-sensors/hid-sensor-attributes.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
index cfb2fdc3177f..81647cc64a7b 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c
@@ -71,6 +71,8 @@ static struct {
{HID_USAGE_SENSOR_TEMPERATURE, 0, 1000, 0},
{HID_USAGE_SENSOR_TEMPERATURE, HID_USAGE_SENSOR_UNITS_DEGREES, 1000, 0},
+
+ {HID_USAGE_SENSOR_HUMIDITY, 0, 1000, 0},
};
static int pow_10(unsigned power)