[OpenWrt-Devel] [PATCH] Add support for DHT11 driver

[Hartmut Knaack]

harald at ccbib.org schrieb am 26.09.2014 12:46:
> The DHT11 is a temperature and humidity sensor supported by linux
> since 3.14.
> 
> This patch has been tested on recent mxs with kernel 3.14.18.
> 
> Signed-off-by: Harald Geyer <harald at ccbib.org>
Hi,
I would expect to make it also depend on device tree or architectures which support device tree. From what I remember, there are still architectures which have not yet been converted to devicetree. In those cases, it would be confusing and useless to build this module. Or am I missing something? I don't have any practical experience with devicetree, so far.

> ---
>  package/kernel/linux/modules/other.mk |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
> 
> diff --git a/package/kernel/linux/modules/other.mk
> b/package/kernel/linux/modules/other.mk
> index d56bb50..bef24eb 100644
> --- a/package/kernel/linux/modules/other.mk
> +++ b/package/kernel/linux/modules/other.mk
> @@ -258,6 +258,26 @@ endef
>  
>  $(eval $(call KernelPackage,iio-ad799x))
>  
> +
> +define KernelPackage/iio-dht11
> +  SUBMENU:=$(OTHER_MENU)
> +  DEPENDS:=kmod-iio-core @GPIO_SUPPORT
> +  TITLE:=DHT11 (and compatible) humidity and temperature sensors
> +  KCONFIG:= \
> +	CONFIG_DHT11
> +  FILES:=$(LINUX_DIR)/drivers/iio/humidity/dht11.ko
> +  AUTOLOAD:=$(call AutoLoad,56,dht11)
> +endef
> +
> +define KernelPackage/iio-dht11/description
> + support for DHT11 and DHT22 digitial humidity and temperature sensors
> + attached at GPIO lines. You will need a custom device tree file to
> + specify the GPIO line to use.
> +endef
> +
> +$(eval $(call KernelPackage,iio-dht11))
> +
> +
>  define KernelPackage/lp
>    SUBMENU:=$(OTHER_MENU)
>    TITLE:=Parallel port and line printer support
> 
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