lsmod

pi@retropie ~ $ lsmod
Module                  Size  Used by
rfcomm                 37072  10
bnep                   11413  2
binfmt_misc             7097  1
snd_bcm2835            21247  1
uinput                  7520  0
sg                     21578  0
btusb                  23132  0
bluetooth             316545  24 bnep,btusb,rfcomm
rfkill                 22202  2 bluetooth
uas                    15601  0
evdev                  10819  1
joydev                  9745  0
snd_soc_bcm2708_i2s     7360  0
regmap_mmio             3548  1 snd_soc_bcm2708_i2s
snd_soc_core          177320  1 snd_soc_bcm2708_i2s
snd_compress            8687  1 snd_soc_core
snd_pcm_dmaengine       5826  1 snd_soc_core
snd_pcm                92398  4 snd_bcm2835,snd_soc_core,snd_pcm_dmaengine
snd_seq                60741  0
snd_seq_device          7194  1 snd_seq
snd_timer              22618  2 snd_pcm,snd_seq
snd                    66924  8 snd_bcm2835,snd_soc_core,snd_timer,snd_pcm,snd_seq,snd_seq_device,snd_compress
i2c_bcm2708             6124  0