Upstream bugreport with more details: https://bugs.freedesktop.org/show_bug.cgi?id=96571
** Bug watch added: freedesktop.org Bugzilla #96571 https://bugs.freedesktop.org/show_bug.cgi?id=96571 -- 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/1783964 Title: Please make CONFIG_PWM_LPSS_PCI and CONFIG_PWM_LPSS_PLATFORM built in to make brightness adjustment working on various BayTrail/CherryTrail- based devices Status in linux package in Ubuntu: Triaged Status in linux source package in Cosmic: Triaged Bug description: Hello! Building kernel with following option should make brightness adjustment working on various Intel BayTrail and CherryTrail-based devices such as HP Stream 7 Tablet, Microsoft Surface 3, and quite a few tablets from ASUS, and many no-name Chinese companies. CONFIG_PWM_LPSS=y CONFIG_PWM_LPSS_PCI=y CONFIG_PWM_LPSS_PLATFORM=y I tested this change on HP Stream 7, by installing Linux 4.18rc6 from http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.18-rc6/ and then installing same kernel, but with built in CONFIG_PWM_LPSS modules listed above. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783964/+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
