libcec: add libcec for HDMI device Control

This patch adds libcec for HDMI device control.  It enables Raspberry Pi
support if the rpi-userland package is installed.

[Thomas: add C++ dependency, reformat .mk header.]
Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/Config.in

@@ -495,6 +495,7 @@ source "package/dtc/Config.in"
 source "package/lcdapi/Config.in"
 source "package/libaio/Config.in"
 source "package/libatasmart/Config.in"
+source "package/libcec/Config.in"
 source "package/libraw1394/Config.in"
 source "package/tslib/Config.in"
 source "package/libfreefare/Config.in"

package/libcec/Config.in

@@ -0,0 +1,12 @@
+config BR2_PACKAGE_LIBCEC
+	bool "libcec"
+	depends on BR2_INSTALL_LIBSTDCPP
+	help
+	  libcec allows you in combination with the right hardware to
+	  control your home theater devices with your TV remote
+	  control utilizing existing HDMI cabling.
+
+	  http://libcec.pulse-eight.com
+
+comment "libcec requires C++ support in toolchain"
+	depends on !BR2_INSTALL_LIBSTDCPP

package/libcec/libcec.mk

@@ -0,0 +1,33 @@
+################################################################################
+#
+# libcec
+#
+################################################################################
+
+LIBCEC_VERSION = libcec-2.1.1
+LIBCEC_SITE = http://github.com/Pulse-Eight/libcec/tarball/$(LIBCEC_VERSION)
+LIBCEC_LICENSE = GPLv2+
+LIBCEC_LICENSE_FILE = COPYING
+
+# Autoreconf required due to being a dev tarball and not a release tarball.
+LIBCEC_AUTORECONF = YES
+LIBCEC_INSTALL_STAGING = YES
+LIBCEC_DEPENDENCIES = host-pkgconf
+
+ifeq ($(BR2_PACKAGE_LOCKDEV),y)
+LIBCEC_DEPENDENCIES += lockdev
+endif
+
+ifeq ($(BR2_PACKAGE_UDEV),y)
+LIBCEC_DEPENDENCIES += udev
+endif
+
+ifeq ($(BR2_PACKAGE_RPI_USERLAND),y)
+LIBCEC_CONF_OPT = --enable-rpi \
+   --with-rpi-include-path=$(STAGING_DIR)/usr/include
+LIBCEC_DEPENDENCIES += rpi-userland
+else
+LIBCEC_CONF_OPT = --disable-rpi
+endif
+
+$(eval $(autotools-package))