[OpenWrt-Devel] [PATCH] kernel: add references to openwrt alternative button handling

[Karl Palsson]

From: Karl Palsson <karlp at remake.is>

Add documentation that makes it easier to find the alternative,
recommended, and default handling for buttons in OpenWrt.

Signed-off-by: Karl Palsson <karlp at tweak.net.au>
---

I was having a hard time discovering buttons, and getting conflicts after
enabling the input-gpio-keys* modules.  zajec on IRC suggested I could submit
patches to improve the docs and hopefully help with discovering
gpio-button-hotplug.

 package/kernel/linux/modules/input.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/package/kernel/linux/modules/input.mk b/package/kernel/linux/modules/input.mk
index 32adc1e..f42cbae 100644
--- a/package/kernel/linux/modules/input.mk
+++ b/package/kernel/linux/modules/input.mk
@@ -82,6 +82,9 @@ endef
 define KernelPackage/input-gpio-keys/description
  This driver implements support for buttons connected
  to GPIO pins of various CPUs (and some other chips).
+
+ See also gpio-button-hotplug which is an alternative, lower overhead
+ implementation that generates uevents instead of kernel input events.
 endef
 
 $(eval $(call KernelPackage,input-gpio-keys))
@@ -101,6 +104,9 @@ endef
 
 define KernelPackage/input-gpio-keys-polled/description
  Kernel module for support polled GPIO keys input device
+
+ See also gpio-button-hotplug which is an alternative, lower overhead
+ implementation that generates uevents instead of kernel input events.
 endef
 
 $(eval $(call KernelPackage,input-gpio-keys-polled))
-- 
1.8.3.1
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