Public bug reported: Ubuntu 20.04 simple-scan. The Brightness and Contrast controls have no effect. No matter how I position the sliders the scan image remains the same, ie, a dark background. It is as if the controls are not 'connected'.
Ubuntu 20.04 is up to date. The scanner is a Cannon LiDE60. I have 19.10 in another partition. Simple-scan works as expected. Ditto for 18.04. Regards. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: simple-scan 3.36.0-0ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44 Uname: Linux 5.4.0-40-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Mon Jul 20 09:47:52 2020 InstallationDate: Installed on 2020-05-12 (68 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: Hewlett-Packard HP EliteBook 8570p ProcEnviron: PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic root=UUID=dc547d11-1deb-404b-988a-a88d4772e66d ro quiet splash vt.handoff=7 SimpleScanLog: SourcePackage: simple-scan UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/05/2012 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68ICF Ver. F.32 dmi.board.name: 17A7 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 42.32 dmi.chassis.asset.tag: 8022456 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68ICFVer.F.32:bd12/05/2012:svnHewlett-Packard:pnHPEliteBook8570p:pvrA1029D1102:rvnHewlett-Packard:rn17A7:rvrKBCVersion42.32:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI dmi.product.name: HP EliteBook 8570p dmi.product.sku: D2C13UP#ABA dmi.product.version: A1029D1102 dmi.sys.vendor: Hewlett-Packard ** Affects: simple-scan (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888238 Title: Ubuntu 20.04 simple-scan brightness and contrast controls have no effect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/simple-scan/+bug/1888238/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs