Comment 6 for bug 914348

Maybe, we could get the following upstream commits into the Ubuntu kernel?

"dell-laptop: touchpad LED should persist its status after S3"
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=2d5de9e84928e35b4d9b46b4d8d5dcaac1cff1fa

"dell-laptop: add 3 machines that has touchpad LED"
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=2a748853ca395c48ea75baa250f7cea6f0f23dbf