I: [pulseaudio] module-udev-detect.c: Card /devices/platform/soc/c051000.sound-card/sound/card0 (alsa_card.platform-c051000.sound-card) failed to load module. I: [pulseaudio] (alsa-lib)ucm_subs.c: variable '${var:WcdPlaybackPCM}' is not defined in this context! I: [pulseaudio] (alsa-lib)parser.c: error: unable to parse a string for id 'PlaybackPCM'! I: [pulseaudio] (alsa-lib)parser.c: error: failed to parse Value I: [pulseaudio] (alsa-lib)parser.c: error: HiFi.conf failed to parse device I: [pulseaudio] (alsa-lib)main.c: error: failed to import hw:0 use case configuration -22 I: [pulseaudio] (alsa-lib)ucm_subs.c: variable '${var:WcdPlaybackPCM}' is not defined in this context! I: [pulseaudio] (alsa-lib)parser.c: error: unable to parse a string for id 'PlaybackPCM'! I: [pulseaudio] (alsa-lib)parser.c: error: failed to parse Value I: [pulseaudio] (alsa-lib)parser.c: error: HiFi.conf failed to parse device I: [pulseaudio] (alsa-lib)main.c: error: failed to import leeco-s2 use case configuration -22 I: [pulseaudio] alsa-ucm.c: UCM not available for card leeco-s2