1 files changed, 5 insertions, 2 deletions

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 393bfa82eb..be56abb2f1 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -33,6 +33,7 @@ XZ_COMPRESSION_LEVEL ?= "-e -6"
 XZ_INTEGRITY_CHECK ?= "crc32"
 XZ_THREADS ?= "-T 0"
 
+JFFS2_SUM_EXTRA_ARGS ?= ""
 IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 ${EXTRA_IMAGECMD}"
 IMAGE_CMD_sum.jffs2 = "sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sum.jffs2 ${EXTRA_IMAGECMD}"
 
@@ -128,19 +129,21 @@ IMAGE_DEPENDS_ubi = "mtd-utils-native"
 IMAGE_DEPENDS_ubifs = "mtd-utils-native"
 
 # This variable is available to request which values are suitable for IMAGE_FSTYPES
-IMAGE_TYPES = "jffs2 sum.jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma btrfs iso hddimg squashfs squashfs-xz ubi ubifs tar tar.gz tar.bz2 tar.xz tar.lz4 cpio cpio.gz cpio.xz cpio.lzma cpio.lz4 vmdk elf"
+IMAGE_TYPES = "jffs2 jffs2.sum sum.jffs2 cramfs ext2 ext2.gz ext2.bz2 ext3 ext3.gz ext2.lzma btrfs iso hddimg squashfs squashfs-xz ubi ubifs tar tar.gz tar.bz2 tar.xz tar.lz4 cpio cpio.gz cpio.xz cpio.lzma cpio.lz4 vmdk elf"
 
-COMPRESSIONTYPES = "gz bz2 lzma xz lz4"
+COMPRESSIONTYPES = "gz bz2 lzma xz lz4 sum"
 COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
 COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz"
 COMPRESS_CMD_bz2 = "bzip2 -f -k ${IMAGE_NAME}.rootfs.${type}"
 COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
 COMPRESS_CMD_lz4 = "lz4c -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.lz4"
+COMPRESS_CMD_sum = "sumtool -i ${IMAGE_NAME}.rootfs.${type} -o ${IMAGE_NAME}.rootfs.${type}.sum ${JFFS2_SUM_EXTRA_ARGS}"
 COMPRESS_DEPENDS_lzma = "xz-native"
 COMPRESS_DEPENDS_gz = ""
 COMPRESS_DEPENDS_bz2 = ""
 COMPRESS_DEPENDS_xz = "xz-native"
 COMPRESS_DEPENDS_lz4 = "lz4-native"
+COMPRESS_DEPENDS_sum = "mtd-utils-native"
 
 RUNNABLE_IMAGE_TYPES ?= "ext2 ext3"
 RUNNABLE_MACHINE_PATTERNS ?= "qemu"