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kernel: add kmod-iio-htu21

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This adds support for the htu21 humidity and temperature sensor.

To get it to work you have to do something like this:
echo "htu21 0x40" >/sys/class/i2c-dev/i2c-1/device/new_device
for example by adding it to rc.local

Compile tested on brcm2708 and I have used an earlier version of this
patch for more than a year.

Signed-off-by: Torbjörn Jansson <torbjorn.jansson@mbox200.swipnet.se>
This commit is contained in:
Torbjörn Jansson
2018-07-30 15:59:20 +02:00
committed by John Crispin
parent 20346a63f6
commit af9a96d23e
1 changed files with 22 additions and 0 deletions
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22
package/kernel/linux/modules/iio.mk
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@@ -133,3 +133,25 @@ define KernelPackage/iio-bmp280-spi/description
endef
$(eval $(call KernelPackage,iio-bmp280-spi))
define KernelPackage/iio-htu21
SUBMENU:=$(IIO_MENU)
DEPENDS:=+kmod-i2c-core +kmod-iio-core
TITLE:=HTU21 humidity & temperature sensor
KCONFIG:= \
CONFIG_HTU21 \
CONFIG_IIO_MS_SENSORS_I2C
FILES:= \
$(LINUX_DIR)/drivers/iio/humidity/htu21.ko \
$(LINUX_DIR)/drivers/iio/common/ms_sensors/ms_sensors_i2c.ko
AUTOLOAD:=$(call AutoLoad,56,htu21)
endef
define KernelPackage/iio-htu21/description
support for the Measurement Specialties HTU21 humidity and
temperature sensor.
This driver is also used for MS8607 temperature, pressure & humidity
sensor
endef
$(eval $(call KernelPackage,iio-htu21))