FYI, we noticed the below changes on

https://github.com/0day-ci/linux Takashi-Sakamoto/ALSA-oxfw-refactoring-and-merging-scs1x-module/20151206-122843
commit 6603249dcdbb6aab0b726bdf372d6f20c0d2d611 ("ALSA: hda - Enable audio component for old Intel PCH devices")

We found the following new message in kernel log after your commit.

[    9.672121] snd_hda_intel 0000:00:1b.0: failed to add i915 component master (-19)

Thanks,
Ying Huang