Upload bionic libevdev debdiff. ** Patch added: "libevdev.debdiff" https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1906341/+attachment/5439889/+files/libevdev.debdiff
** Description changed: [Impact] * The touchpad's right button become no function after update to 5.4 kernel * The INPUT_PROP_BUTTONPAD property is set by 5.4 kernel, so that libinput regard it as clickpad. * Add a model quirk to unset the bit can make touchpad's right button works normally. [Test Case] * 1. Boot into Ubuntu 2. Identify touchpad input device number, can be obtained in $HOME/.local/share/xorg/Xorg.0.log 3. $ udevadm info /sys/class/input/inputX check PROP environment variable, - it is 5 if INPUT_PROP_BUTTONPAD property is set + it is 5 if INPUT_PROP_BUTTONPAD property is set 4. And the touchpad right button become no function 5. After update the libevdev with disable_property - API and libinput10 with model quirk + API and libinput10 with model quirk 6. reboot 7. The input device PROP is still 5, - but touchpad right button is workable + but touchpad right button is workable [Where problems could occur] * For libevdev2 package, backport the upstream commit: https://gitlab.freedesktop.org/libevdev/libevdev/-/commit/4226c7801b4ea1b0c7d1eaac47ca24ece8f24809 The API is not originally exist in the system, - so it will only be utilized by our model quirk. + so it will only be utilized by our model quirk. * For libinput, add model quirk for the platform to disable - INPUT_PROP_BUTTONPAD bit. + INPUT_PROP_BUTTONPAD bit. Only disable the INPUT_PROP_BUTTONPAD for specified model, - and it doesn't issue any + and it doesn't issue any IO command to kernel, so the behavior should be the same - as previous kernel when INPUT_PROP_BUTTONPAD is not set. + as previous kernel when INPUT_PROP_BUTTONPAD is not set. [Other Info] * A public bug is reported https://www.dell.com/community/Linux-Developer-Systems/Touchpad-right-click-button-not-working-with-Ubuntu-20-04-on/td-p/7636831 + * A workable build for Bionic in my ppa + https://launchpad.net/~kchsieh/+archive/ubuntu/training ** Description changed: [Impact] * The touchpad's right button become no function after update to 5.4 kernel * The INPUT_PROP_BUTTONPAD property is set by 5.4 kernel, so that libinput regard it as clickpad. * Add a model quirk to unset the bit can make touchpad's right button works normally. [Test Case] * 1. Boot into Ubuntu 2. Identify touchpad input device number, can be obtained in $HOME/.local/share/xorg/Xorg.0.log 3. $ udevadm info /sys/class/input/inputX check PROP environment variable, it is 5 if INPUT_PROP_BUTTONPAD property is set 4. And the touchpad right button become no function 5. After update the libevdev with disable_property API and libinput10 with model quirk 6. reboot 7. The input device PROP is still 5, but touchpad right button is workable [Where problems could occur] * For libevdev2 package, backport the upstream commit: https://gitlab.freedesktop.org/libevdev/libevdev/-/commit/4226c7801b4ea1b0c7d1eaac47ca24ece8f24809 The API is not originally exist in the system, so it will only be utilized by our model quirk. * For libinput, add model quirk for the platform to disable INPUT_PROP_BUTTONPAD bit. Only disable the INPUT_PROP_BUTTONPAD for specified model, and it doesn't issue any IO command to kernel, so the behavior should be the same as previous kernel when INPUT_PROP_BUTTONPAD is not set. [Other Info] * A public bug is reported https://www.dell.com/community/Linux-Developer-Systems/Touchpad-right-click-button-not-working-with-Ubuntu-20-04-on/td-p/7636831 - * A workable build for Bionic in my ppa - https://launchpad.net/~kchsieh/+archive/ubuntu/training + * A workable build for Bionic is in my ppa + https://launchpad.net/~kchsieh/+archive/ubuntu/training -- 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/1906341 Title: Touchpad button doesn't work on Dell Precision 7550/7750 Status in OEM Priority Project: New Status in libevdev package in Ubuntu: New Status in libinput package in Ubuntu: New Status in linux package in Ubuntu: Incomplete Bug description: [Impact] * The touchpad's right button become no function after update to 5.4 kernel * The INPUT_PROP_BUTTONPAD property is set by 5.4 kernel, so that libinput regard it as clickpad. * Add a model quirk to unset the bit can make touchpad's right button works normally. [Test Case] * 1. Boot into Ubuntu 2. Identify touchpad input device number, can be obtained in $HOME/.local/share/xorg/Xorg.0.log 3. $ udevadm info /sys/class/input/inputX check PROP environment variable, it is 5 if INPUT_PROP_BUTTONPAD property is set 4. And the touchpad right button become no function 5. After update the libevdev with disable_property API and libinput10 with model quirk 6. reboot 7. The input device PROP is still 5, but touchpad right button is workable [Where problems could occur] * For libevdev2 package, backport the upstream commit: https://gitlab.freedesktop.org/libevdev/libevdev/-/commit/4226c7801b4ea1b0c7d1eaac47ca24ece8f24809 The API is not originally exist in the system, so it will only be utilized by our model quirk. * For libinput, add model quirk for the platform to disable INPUT_PROP_BUTTONPAD bit. Only disable the INPUT_PROP_BUTTONPAD for specified model, and it doesn't issue any IO command to kernel, so the behavior should be the same as previous kernel when INPUT_PROP_BUTTONPAD is not set. [Other Info] * A public bug is reported https://www.dell.com/community/Linux-Developer-Systems/Touchpad-right-click-button-not-working-with-Ubuntu-20-04-on/td-p/7636831 * A workable build for Bionic is in my ppa https://launchpad.net/~kchsieh/+archive/ubuntu/training To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1906341/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
