5 warnings in matrixio-codec.c

[0PK]

git clone https://github.com/matrix-io/matrixio-kernel-modules cd matrixio-kernel-modules make && make install Leads to 5 warnings: /home/pi/matrixio-kernel-modules/matrixio-codec.c: In function ‘matrixio_codec_dai_startup’: /home/pi/matrixio-kernel-modules/matrixio-codec.c:92:29: warning: unused variable ‘ms’ [-Wunused-variable] struct matrixio_substream ms = snd_soc_dai_get_drvdata(dai); ^~ At top level: /home/pi/matrixio-kernel-modules/matrixio-codec.c:109:13: warning: ‘matrixio_codec_dai_shutdown’ defined but not used [-Wunused-function] static void matrixio_codec_dai_shutdown(struct snd_pcm_substream substream, ^~~~~~~ /home/pi/matrixio-kernel-modules/matrixio-codec.c:103:12: warning: ‘matrixio_codec_dai_trigger’ defined but not used [-Wunused-function] static int matrixio_codec_dai_trigger(struct snd_pcm_substream substream, ^~~~~~ /home/pi/matrixio-kernel-modules/matrixio-codec.c:97:12: warning: ‘matrixio_codec_dai_digital_mute’ defined but not used [-Wunused-function] static int matrixio_codec_dai_digital_mute(struct snd_soc_dai codec_dai, ^~~~~~~ /home/pi/matrixio-kernel-modules/matrixio-codec.c:83:12: warning: ‘matrixio_codec_prepare’ defined but not used [-Wunused-function] static int matrixio_codec_prepare(struct snd_pcm_substream *substream,