Hi, this header file input-polldev.h has been removed upstream: https://github.com/torvalds/linux/commit/278b13ce3a89698711c5a67792ba2dba41555433
And this commit has landed on hirsute 5.11, that's why you're not getting this file on Focal 5.11. There is nothing we can do here, you will need to contact the maintainer to update the code. Or use Focal 5.4 instead. ** Changed in: linux (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1952554 Title: MediaTek doesnt get installed on Ubuntu 20.4 Status in linux package in Ubuntu: Won't Fix Bug description: I've tried various git repositories such as https://github.com/neurobin/MT7630E/archive/release.zip to install mediatek driver on my laptop but for some reason it gives me: fatal error: linux/input-polldev.h: No such file or directory 39 | #include <linux/input-polldev.h> so how do i install this header file, if it wasn't auto installed is my ubuntu installation incomplete? Please Let me know what i should do about it Linux config : Linux version 5.11.0-40-generic (buildd@lgw01-amd64-010) (gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #44~20.04.2-Ubuntu SMP Tue Oct 26 18:07:44 UTC 2021 Machine Config: Processor: AMD® Ryzen 7 4800h with radeon graphics × 16 GRaphics: AMD® Renoir /Nvidia GTX 1650 Mem: 8/512 --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: shashank 1134 F.... pulseaudio /dev/snd/pcmC2D0p: shashank 1134 F...m pulseaudio /dev/snd/controlC0: shashank 1134 F.... pulseaudio /dev/snd/controlC1: shashank 1134 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2021-11-27 (1 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) MachineType: ASUSTeK COMPUTER INC. ROG Strix G513IH_G513IH Package: linux (not installed) ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-40-generic root=UUID=0986df07-e116-4b7b-b0bb-8936fd30d815 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 RelatedPackageVersions: linux-restricted-modules-5.11.0-40-generic N/A linux-backports-modules-5.11.0-40-generic N/A linux-firmware 1.187.20 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: focal Uname: Linux 5.11.0-40-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip input libvirt lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/16/2021 dmi.bios.release: 5.16 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: G513IH.310 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: G513IH dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.ec.firmware.release: 0.68 dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrG513IH.310:bd07/16/2021:br5.16:efr0.68:svnASUSTeKCOMPUTERINC.:pnROGStrixG513IH_G513IH:pvr1.0:sku:rvnASUSTeKCOMPUTERINC.:rnG513IH:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: ROG Strix dmi.product.name: ROG Strix G513IH_G513IH dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: shashank 1134 F.... pulseaudio /dev/snd/pcmC2D0p: shashank 1134 F...m pulseaudio /dev/snd/controlC0: shashank 1134 F.... pulseaudio /dev/snd/controlC1: shashank 1134 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2021-11-27 (1 days ago) InstallationMedia: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819) MachineType: ASUSTeK COMPUTER INC. ROG Strix G513IH_G513IH Package: linux (not installed) ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-40-generic root=UUID=0986df07-e116-4b7b-b0bb-8936fd30d815 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.11.0-40.44~20.04.2-generic 5.11.22 RelatedPackageVersions: linux-restricted-modules-5.11.0-40-generic N/A linux-backports-modules-5.11.0-40-generic N/A linux-firmware 1.187.20 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no Tags: focal Uname: Linux 5.11.0-40-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip input libvirt lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/16/2021 dmi.bios.release: 5.16 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: G513IH.310 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: G513IH dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.ec.firmware.release: 0.68 dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvrG513IH.310:bd07/16/2021:br5.16:efr0.68:svnASUSTeKCOMPUTERINC.:pnROGStrixG513IH_G513IH:pvr1.0:sku:rvnASUSTeKCOMPUTERINC.:rnG513IH:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: ROG Strix dmi.product.name: ROG Strix G513IH_G513IH dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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