From c8cd9a10ce329f66c71949d6abe2d2dc69be6b48 Mon Sep 17 00:00:00 2001
From: Harald Welte <hwelte@sysmocom.de>
Date: Sat, 21 Feb 2015 19:46:26 +0100
Subject: [PATCH] add i2c-utils package (found in old openwrt svn)

not sure why it was removed from openwrt mainline, it is very
useful to be able to do raw i2c operations from the shell.
---
 package/utils/i2c-utils/Makefile | 110 +++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 package/utils/i2c-utils/Makefile

diff --git a/package/utils/i2c-utils/Makefile b/package/utils/i2c-utils/Makefile
new file mode 100644
index 0000000..9721700
--- /dev/null
+++ b/package/utils/i2c-utils/Makefile
@@ -0,0 +1,110 @@
+#
+# Copyright (C) 2007-2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=i2c-tools
+PKG_VERSION:=2013-12-15
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=svn
+PKG_SOURCE_URL:=http://lm-sensors.org/svn/i2c-tools/trunk
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=r6204
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+
+PKG_BUILD_PARALLEL:=1
+PKG_BUILD_DEPENDS:=PACKAGE_python-smbus:python
+
+include $(INCLUDE_DIR)/package.mk
+$(call include_mk, python-package.mk)
+
+define Package/i2c/Default
+  URL:=http://lm-sensors.org/wiki/I2CTools
+  TITLE:=I2C
+endef
+
+define Package/libi2c
+  $(call Package/i2c/Default)
+  SECTION:=libs
+  CATEGORY:=Libraries
+  TITLE+=library
+endef
+
+define Package/i2c-tools
+  $(call Package/i2c/Default)
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE+=tools for Linux
+  DEPENDS:=+libi2c
+endef
+
+define Package/python-smbus
+  $(call Package/i2c/Default)
+  SUBMENU:=Python
+  SECTION:=lang
+  CATEGORY:=Languages
+  TITLE:=Python bindings for the SMBUS
+  DEPENDS:=+PACKAGE_python-smbus:python-mini +i2c-tools
+endef
+
+define Package/i2c-tools/description
+ This package contains an heterogeneous set of I2C tools for Linux. These tools
+ were originally part of the lm-sensors package.
+endef
+
+define Package/python-smbus/description
+ This package contain the python bindings for Linux SMBus access through i2c-dev.
+endef
+
+TARGET_CPPFLAGS += -I$(PKG_BUILD_DIR)/include
+
+ifdef CONFIG_PACKAGE_python-smbus
+  define Build/Compile/python-smbus
+	$(if $(Build/Compile/PyMod),,@echo Python packaging code not found.; false)
+	$(call Build/Compile/PyMod,./py-smbus/, \
+		install --prefix="$(PKG_INSTALL_DIR)/usr", \
+	)
+  endef
+endif
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		LINUX="$(LINUX_DIR)" \
+		CC="$(TARGET_CC)" \
+		STAGING_DIR="$(STAGING_DIR)" \
+		LDFLAGS="$(TARGET_LDFLAGS)" \
+		CFLAGS="$(TARGET_CFLAGS)"
+	$(Build/Compile/python-smbus)
+endef
+
+define Build/InstallDev
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/lib/libi2c.so* $(1)/usr/lib/
+endef
+
+define Package/libi2c/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_BUILD_DIR)/lib/libi2c.so* $(1)/usr/lib/
+endef
+
+define Package/i2c-tools/install
+	$(INSTALL_DIR) $(1)/usr/sbin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tools/i2cdetect $(1)/usr/sbin/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tools/i2cdump $(1)/usr/sbin/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tools/i2cset $(1)/usr/sbin/
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/tools/i2cget $(1)/usr/sbin/
+endef
+
+define PyPackage/python-smbus/filespec
++|$(PYTHON_PKG_DIR)/smbus.so
+endef
+
+$(eval $(call BuildPackage,libi2c))
+$(eval $(call BuildPackage,i2c-tools))
+$(eval $(call PyPackage,python-smbus))
+$(eval $(call BuildPackage,python-smbus))