make libsane-hpaio only suggested to prevent possible duplicated scanner devices

ipp-usb is pulled in automatically now, so newer devices can be supported by two backends,
sane-airscan and libsane-hpaio, which can be confusing. So make libsane-hpaio only suggested
to prevent that.

hplip.spec

@@ -7,7 +7,7 @@
 Summary: HP Linux Imaging and Printing Project
 Name: hplip
 Version: 3.22.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv2+ and MIT and BSD and IJG and GPLv2+ with exceptions and ISC
 
 Url: https://developers.hp.com/hp-linux-imaging-and-printing
@@ -260,8 +260,6 @@ Requires: python3-dbus
 Requires: %{_bindir}/gpg
 # /usr/lib/udev/rules.d
 Requires: systemd
-# 1733449 - Scanner on an HP AIO printer is not detected unless libsane-hpaio is installed
-Requires: libsane-hpaio
 # 1788643 - Fedora minimal does not ship tar by default
 Requires: tar
 # require usbutils, hp-diagnose_queues needs lsusb
@@ -274,6 +272,8 @@ Recommends: avahi-tools
 # stop the update
 Requires(post): coreutils
 
+# 1733449 - Scanner on an HP AIO printer is not detected unless libsane-hpaio is installed
+Suggests: libsane-hpaio
 
 %description
 The Hewlett-Packard Linux Imaging and Printing Project provides
@@ -307,7 +307,7 @@ Requires: python3-reportlab
 # hpssd.py
 Requires: python3-gobject
 Requires: %{name}%{?_isa} = %{version}-%{release}
-Requires: libsane-hpaio%{?_isa} = %{version}-%{release}
+Suggests: libsane-hpaio%{?_isa} = %{version}-%{release}
 
 %description gui
 HPLIP graphical tools.
@@ -873,6 +873,9 @@ rm -f %{buildroot}%{_sysconfdir}/xdg/autostart/hplip-systray.desktop
 %config(noreplace) %{_sysconfdir}/sane.d/dll.d/hpaio
 
 %changelog
+* Mon Mar 28 2022 Zdenek Dohnal <zdohnal@redhat.com> - 3.22.2-2
+- make libsane-hpaio only suggested to prevent possible duplicated scanner devices
+
 * Thu Mar 10 2022 Zdenek Dohnal <zdohnal@redhat.com> - 3.22.2-1
 - 2059085 - hplip-3.22.2 is available