[package] add button-hotplug driver, will be usable to check status of buttons connected to GPIO lines

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11401 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/button-hotplug/Makefile

@@ -0,0 +1,53 @@
+#
+# Copyright (C) 2008 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+include $(INCLUDE_DIR)/kernel.mk
+
+PKG_NAME:=button-hotplug
+PKG_RELEASE:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define KernelPackage/button-hotplug
+  SUBMENU:=Other modules
+  TITLE:=Button Hotplug driver
+  FILES:=$(PKG_BUILD_DIR)/button-hotplug.$(LINUX_KMOD_SUFFIX)
+  KCONFIG:=
+endef
+
+define KernelPackage/button-hotplug/description
+  Kernel module to generate button hotplug events
+endef
+
+EXTRA_KCONFIG:= \
+	CONFIG_BUTTON_HOTPLUG=m
+
+EXTRA_CFLAGS:= \
+	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
+	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
+
+MAKE_OPTS:= \
+	ARCH="$(LINUX_KARCH)" \
+	CROSS_COMPILE="$(TARGET_CROSS)" \
+	SUBDIRS="$(PKG_BUILD_DIR)" \
+	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
+	LINUXINCLUDE="-I$(LINUX_DIR)/include -include linux/autoconf.h" \
+	$(EXTRA_KCONFIG)
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+	$(CP) ./src/* $(PKG_BUILD_DIR)/
+endef
+
+define Build/Compile
+	$(MAKE) -C "$(LINUX_DIR)" \
+		$(MAKE_OPTS) \
+		modules
+endef
+
+$(eval $(call KernelPackage,button-hotplug))