diff --git a/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch b/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
new file mode 100644
index 0000000..4687a24
--- /dev/null
+++ b/0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
@@ -0,0 +1,13 @@
+diff -up sane-backends-1.0.28/backend/genesys_gl841.cc.genesys-regression sane-backends-1.0.28/backend/genesys_gl841.cc
+--- sane-backends-1.0.28/backend/genesys_gl841.cc.genesys-regression	2019-10-14 13:11:10.772763713 +0200
++++ sane-backends-1.0.28/backend/genesys_gl841.cc	2019-10-14 13:11:57.602389188 +0200
+@@ -5042,6 +5042,9 @@ gl841_init (Genesys_Device * dev)
+   /* Set analog frontend */
+   RIE (gl841_set_fe(dev, sensor, AFE_INIT));
+ 
++    // FIXME: slow_back_home modifies dev->calib_reg and requires it to be filled
++    dev->calib_reg = dev->reg;
++
+   /* Move home */
+   RIE (gl841_slow_back_home (dev, SANE_TRUE));
+ 
diff --git a/66-saned.rules b/66-saned.rules
new file mode 100644
index 0000000..3c9ec85
--- /dev/null
+++ b/66-saned.rules
@@ -0,0 +1,2 @@
+# udev rule for saned (SANE scanning daemon) to be able to write on usb port
+ENV{libsane_matched}=="yes", ENV{DEVNAME}!="", RUN+="/usr/bin/setfacl -m g:saned:rw $env{DEVNAME}"
diff --git a/sane-backends-1.0.28.tar.gz b/sane-backends-1.0.28.tar.gz
new file mode 100644
index 0000000..8b62791
Binary files /dev/null and b/sane-backends-1.0.28.tar.gz differ
diff --git a/sane-backends.spec b/sane-backends.spec
new file mode 100644
index 0000000..47f1913
--- /dev/null
+++ b/sane-backends.spec
@@ -0,0 +1,207 @@
+%global __provides_exclude_from ^%{_libdir}/sane/.*\.so.*$
+%global __requires_exclude ^libsane-.*\.so\.[0-9]*(\(\).*)?+$
+
+Name:              sane-backends
+Version:           1.0.28
+Release:           6
+Summary:           Scanner access software
+License:           GPLv2+ and GPLv2+ with exceptions and Public Domain and IJG and LGPLv2+ and MIT
+URL:               http://www.sane-project.org
+Source0:           https://gitlab.com/sane-project/backends/uploads/9e718daff347826f4cfe21126c8d5091/%{name}-%{version}.tar.gz
+Source2:           saned.socket
+Source3:           saned@.service.in
+Source4:           66-saned.rules
+
+BuildRequires:     gcc-c++ texlive-latex libusbx-devel libieee1284-devel libjpeg-devel libpng-devel
+BuildRequires:     libtiff-devel libv4l-devel gettext systemd-devel gphoto2-devel systemd
+Requires:          libpng systemd >= 196 systemd-udev >= 196
+Requires:          sane-backends-libs = %{version}-%{release}
+
+
+Patch0000:         0001-genesys-Make-sure-calib_reg-are-available-before-wri.patch
+Patch0001:         sane-xerox-mfp-blacklist-C460-for-JPEG.patch
+Patch0002:         sane-genesys-vector-glibcxxassert.patch
+
+%description
+SANE (Scanner Access Now Easy) is a sane and simple interface to both local and networked scanners
+and other image acquisition devices like digital still and video cameras.
+
+%package           help
+Summary:           Help documents for sane-backends
+BuildArch:         noarch
+Provides:          sane-backends-doc = %{version}-%{release}
+Obsoletes:         sane-backends < 1.0.23-10 sane-backends-doc < %{version}-%{release}
+Conflicts:         sane-backends < 1.0.23-10
+
+%description       help
+The sane-backends-help package conatins manual pages and documents for sane-backends.
+
+%package           libs
+Summary:           SANE libraries
+Recommends:        sane-backends-drivers-cameras = %{version}-%{release}
+Recommends:        sane-backends-drivers-scanners = %{version}-%{release}
+
+%description       libs
+This package contains the SANE libraries which are needed by applications that want to access scanners.
+
+%package           devel
+Summary:           SANE development toolkit
+Requires:          sane-backends = %{version}-%{release} sane-backends-libs = %{version}-%{release}
+Requires:          sane-backends-drivers-scanners = %{version}-%{release} sane-backends-drivers-cameras = %{version}-%{release}
+Requires:          libusbx-devel libieee1284-devel libjpeg-devel libtiff-devel pkgconfig
+
+%description       devel
+This package contains libraries and header files for writing Scanner Access Now Easy (SANE) modules.
+
+%package           drivers-scanners
+Summary:           SANE backend drivers for scanners
+Requires:          sane-backends = %{version}-%{release} sane-backends-libs = %{version}-%{release}
+
+%description       drivers-scanners
+This package contains backend drivers to access scanner hardware through SANE.
+
+%package           drivers-cameras
+Summary:           Scanner backend drivers for digital cameras
+Requires:          sane-backends = %{version}-%{release} sane-backends-libs = %{version}-%{release}
+
+%description       drivers-cameras
+This package contains backend drivers to access digital cameras through SANE.
+
+%package           daemon
+Summary:           Scanner network daemon
+Requires:          sane-backends = %{version}-%{release} sane-backends-libs = %{version}-%{release}
+Requires(pre):     shadow-utils
+%{?systemd_requires}
+
+%description       daemon
+This package contains saned which is the daemon that allows remote clients to access image acquisition devices available on the local host.
+
+%prep
+%autosetup -p1
+
+%build
+CFLAGS="%optflags -fno-strict-aliasing"
+%configure  --with-gphoto2=%{_prefix} --with-docdir=%{_docdir}/sane-backends --with-systemd \
+            --disable-locking --disable-rpath --with-usb --enable-pthread
+%make_build
+
+_topdir="$PWD"
+cd tools
+./sane-desc -m udev+hwdb -s "${_topdir}/doc/descriptions:${_topdir}/doc/descriptions-external" -d0 > udev/sane-backends.rules
+./sane-desc -m hwdb -s "${_topdir}/doc/descriptions:${_topdir}/doc/descriptions-external" -d0 > udev/sane-backends.hwdb
+cd ../
+
+%install
+%make_install
+
+install -d %{buildroot}%{_datadir}/pixmaps
+rm -f %{buildroot}%{_bindir}/gamma4scanimage
+%delete_la_and_a
+
+install -d %{buildroot}%{_prefix}/lib/udev/rules.d
+install -d %{buildroot}%{_prefix}/lib/udev/hwdb.d
+install -m 0644 tools/udev/sane-backends.rules %{buildroot}%{_prefix}/lib/udev/rules.d/65-sane-backends.rules
+install -m 0644 tools/udev/sane-backends.hwdb %{buildroot}%{_prefix}/lib/udev/hwdb.d/20-sane-backends.hwdb
+install -m 0644 %{SOURCE4} %{buildroot}%{_prefix}/lib/udev/rules.d/66-saned.rules
+
+install -d %{buildroot}%{_libdir}/pkgconfig
+install -m 0644 tools/sane-backends.pc %{buildroot}%{_libdir}/pkgconfig/
+
+install -d %{buildroot}%{_docdir}/sane-backends-help
+cd %{buildroot}%{_docdir}/sane-backends
+for f in *; do
+    if [ -d "$f" ]; then
+        mv "$f" "%{buildroot}%{_docdir}/sane-backends-help/${f}"
+    else
+        case "$f" in
+        AUTHORS|ChangeLog|COPYING|LICENSE|NEWS|PROBLEMS|README|README.linux)
+            ;;
+        backend-writing.txt|PROJECTS|sane-*.html)
+            mv "$f" "%{buildroot}%{_docdir}/sane-backends-help/${f}"
+            ;;
+        *)
+            rm -rf "$f"
+            ;;
+        esac
+    fi
+done
+cd -
+
+install -m 755 -d %{buildroot}%{_unitdir}
+install -m 644 %{SOURCE2} %{buildroot}%{_unitdir}
+sed 's|@CONFIGDIR@|%{_sysconfdir}/sane.d|g' < %{SOURCE3} > saned@.service
+install -m 644 saned@.service %{buildroot}%{_unitdir}
+
+%find_lang sane-backends
+
+%post
+udevadm hwdb --update >/dev/null 2>&1 || :
+
+%postun
+udevadm hwdb --update >/dev/null 2>&1 || :
+
+%post libs
+/sbin/ldconfig
+
+%postun libs
+/sbin/ldconfig
+
+%pre daemon
+getent group saned >/dev/null || groupadd -r saned
+getent passwd saned >/dev/null || \
+    useradd -r -g saned -d %{_datadir}/sane -s /sbin/nologin \
+               -c "SANE scanner daemon user" saned
+exit 0
+
+%post daemon
+%systemd_post saned.socket
+
+%preun daemon
+%systemd_preun saned.socket
+
+%postun daemon
+%systemd_postun saned.socket
+
+%files -f sane-backends.lang
+%dir %{_docdir}/sane-backends
+%dir %{_libdir}/sane
+%dir %{_datadir}/sane
+%dir /etc/sane.d
+%dir /etc/sane.d/dll.d
+%doc %{_docdir}/sane-backends/*
+%license %{_docdir}/sane-backends/LICENSE
+%config(noreplace) /etc/sane.d/*.conf
+%{_prefix}/lib/udev/*
+%{_bindir}/*
+%exclude %{_prefix}/lib/udev/rules.d/66-saned.rules
+%exclude %{_bindir}/sane-config
+
+%files help
+%doc %{_docdir}/sane-backends-help
+%{_mandir}/*/*
+%exclude %{_mandir}/man1/gamma4scanimage.1*
+
+%files libs
+%{_libdir}/libsane.so.*
+
+%files devel
+%{_bindir}/sane-config
+%{_includedir}/sane
+%{_libdir}/libsane.so
+%{_libdir}/pkgconfig/sane-backends.pc
+
+%files drivers-scanners
+%{_libdir}/sane/*
+%exclude %{_libdir}/sane/libsane-gphoto2.*
+
+%files drivers-cameras
+%{_libdir}/sane/libsane-gphoto2.*
+
+%files daemon
+%{_sbindir}/saned
+%{_prefix}/lib/udev/rules.d/66-saned.rules
+%{_unitdir}/*
+
+%changelog
+* Fri Feb 14 2020 Senlin Xia <xiasenlin1@huawei.com> - 1.0.28-6
+- Package init
diff --git a/sane-genesys-vector-glibcxxassert.patch b/sane-genesys-vector-glibcxxassert.patch
new file mode 100644
index 0000000..2825e89
--- /dev/null
+++ b/sane-genesys-vector-glibcxxassert.patch
@@ -0,0 +1,17 @@
+diff --git a/backend/genesys.cc b/backend/genesys.cc
+index 0368e21..5ec37bc 100644
+--- a/backend/genesys.cc
++++ b/backend/genesys.cc
+@@ -778,6 +778,12 @@ void sanei_genesys_create_default_gamma_table(Genesys_Device* dev,
+             size = 4096;
+         }
+         max = size - 1;
++    } else if (dev->model->asic_type == GENESYS_GL846
++               || dev->model->asic_type == GENESYS_GL847
++               || dev->model->asic_type == GENESYS_GL848
++               || dev->model->asic_type == GENESYS_GL124) {
++        size = 257;
++        max = 65535;
+     } else {
+         size = 256;
+         max = 65535;
diff --git a/sane-xerox-mfp-blacklist-C460-for-JPEG.patch b/sane-xerox-mfp-blacklist-C460-for-JPEG.patch
new file mode 100644
index 0000000..401a4a7
--- /dev/null
+++ b/sane-xerox-mfp-blacklist-C460-for-JPEG.patch
@@ -0,0 +1,12 @@
+diff --git a/backend/xerox_mfp.c b/backend/xerox_mfp.c
+index b7fcbee..2cb73ee 100644
+--- a/backend/xerox_mfp.c
++++ b/backend/xerox_mfp.c
+@@ -209,6 +209,7 @@ static int isSupportedDevice(struct device __sane_unused__ *dev)
+     if (dev->compressionTypes & (1 << 6)) {
+ 	/* blacklist malfunctioning device(s) */
+ 	if (!strncmp(dev->sane.model, "SCX-4500W", 9) ||
++            !strncmp(dev->sane.model, "C460", 4) ||
+ 	    !strncmp(dev->sane.model, "M288x", 5))
+ 	    return 0;
+         return 1;
diff --git a/saned.socket b/saned.socket
new file mode 100644
index 0000000..1aa19e7
--- /dev/null
+++ b/saned.socket
@@ -0,0 +1,10 @@
+[Unit]
+Description=saned incoming socket
+
+[Socket]
+ListenStream=6566
+Accept=yes
+MaxConnections=1
+
+[Install]
+WantedBy=sockets.target
diff --git a/saned@.service.in b/saned@.service.in
new file mode 100644
index 0000000..d2c0a26
--- /dev/null
+++ b/saned@.service.in
@@ -0,0 +1,18 @@
+[Unit]
+Description=Scanner Service
+Requires=saned.socket
+
+[Service]
+ExecStart=/usr/sbin/saned
+User=saned
+Group=saned
+StandardInput=null
+StandardOutput=syslog
+StandardError=syslog
+Environment=SANE_CONFIG_DIR=@CONFIGDIR@
+# If you need to debug your configuration uncomment the next line and
+# change it as appropriate to set the desired debug options
+# Environment=SANE_DEBUG_DLL=255 SANE_DEBUG_NET=255
+
+[Install]
+Also=saned.socket