Looks like commit b827ca9a87aac6affcc84563211fe27598529e0f could be the culprit. Defining CONFIG_SND_HDA_GENERIC seems to disable some stuff in hda_codec.c, such as finding the proper codec.
Looks like commit b827ca9a87aac6a ffcc84563211fe2 7598529e0f could be the culprit. Defining CONFIG_ SND_HDA_ GENERIC seems to disable some stuff in hda_codec.c, such as finding the proper codec.