root@c7x0:/var/tmp# lsmod
Module                  Size  Used by
snd_pcm_oss            58272  0
snd_mixer_oss          16960  1 snd_pcm_oss
snd_pxa2xx_soc          5256  0
snd_pxa2xx_pcm          4544  0
snd_pxa2xx_soc_i2s      3712  0
snd_soc_wm8731          9332  0
snd_soc_core           19504  3 snd_pxa2xx_soc,snd_pxa2xx_soc_i2s,snd_soc_wm8731
snd_pcm                95560  4 snd_pcm_oss,snd_pxa2xx_soc,snd_pxa2xx_pcm,snd_soc_core
snd_timer              23812  1 snd_pcm
snd_page_alloc          6888  1 snd_pcm
snd                    52344  6 snd_pcm_oss,snd_mixer_oss,snd_soc_wm8731,snd_soc_core,snd_pcm,snd_timer
g_ether                22028  0
rfcomm                 37660  2
l2cap                  23556  5 rfcomm
bluetooth              47680  4 rfcomm,l2cap
pxaficp_ir              9696  0
ircomm_tty             21800  0
ircomm                 12132  1 ircomm_tty
irda                  119080  3 pxaficp_ir,ircomm_tty,ircomm
root@c7x0:/var/tmp# aplay /media/card/touchsound.wav
Playing WAVE '/media/card/touchsound.wav' : Signed 16 bit Little Endian, Rate 22050 Hz, Stereo
ALSA lib pcm_mmap.c:363:(snd_pcm_mmap) mmap failed: Invalid argument
aplay: set_params:910: Unable to install hw params:
ACCESS:  RW_INTERLEAVED
FORMAT:  S16_LE
SUBFORMAT:  STD
SAMPLE_BITS: 16
FRAME_BITS: 32
CHANNELS: 2
RATE: 22050
PERIOD_TIME: (46258 46259)
PERIOD_SIZE: (1019 1020)
PERIOD_BYTES: (4076 4080)
PERIODS: (10 11)
BUFFER_TIME: (499954 499955)
BUFFER_SIZE: 11024
BUFFER_BYTES: 44096
TICK_TIME: 10000
root@c7x0:/var/tmp#