Hans, - I compiled a fresh 4.14-rc8 vanilla kernel and touchpad didn't work.
After applied this patch (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/base?h=v4.14-rc7&id=0cc2b4e5a020fc7f4d1795741c116c983e9467d7), the touchpad worked again ! To compile, I need to add "#define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT S32_MAX" in somes files. I didn't modify .h file dependency. $ grep -ri S32_MAX * base/power/qos.c:#define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT S32_MAX base/power/sysfs.c:#define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT S32_MAX base/power/domain_governor.c:#define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT S32_MAX base/cpu.c:#define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT S32_MAX Note, the unmodified file regmap.c contains this line : if (map->max_raw_write && map->max_raw_write > val_len) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728244 Title: Touchpad stops working after reboot on Apollo Lake To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1728244/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
