Hi Greg,
Please apply the following upstream commits to v4.14.y.
d1c4cb447a7e ("ASoC: Intel: Skylake: Fix jack name format substitution") cedb6415f9ec ("ASoC: Intel: kbl: fix jack name")
Please see https://bugs.chromium.org/p/chromium/issues/detail?id=786545 for details.
Thanks, Guenter