dmesg says:

[ 7.027191] Advanced Linux Sound Architecture Driver Version 1.0.17.
[ 7.048278] ASoC version 0.13.2
[ 7.065765] AIC3X Audio Codec 0.2
[ 7.082519] clock: clksel_round_rate_div: sys_clkout2 target_rate 12000000
[ 7.099029] clock: new_div = 8, new_rate = 12000000
[ 7.114593] ALSA device list:
[ 7.130218] No soundcards found.