[root@alarm sunxi]# amixer controls
numid=1,iface=MIXER,name='Master Playback Volume'
numid=4,iface=MIXER,name='Line output Volume'
numid=8,iface=MIXER,name='Mic1 gain Volume'
numid=7,iface=MIXER,name='Mic2 gain Volume'
numid=6,iface=MIXER,name='Capture Volume'
numid=3,iface=MIXER,name='Fm output Volume'
numid=5,iface=MIXER,name='LINEIN APM Volume'
numid=2,iface=MIXER,name='MIC output volume'

[root@alarm sunxi]# amixer contents
numid=1,iface=MIXER,name='Master Playback Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=63,step=0
  : values=48
numid=4,iface=MIXER,name='Line output Volume'
  ; type=BOOLEAN,access=rw------,values=1
  : values=on
numid=8,iface=MIXER,name='Mic1 gain Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=3,step=0
  : values=0
numid=7,iface=MIXER,name='Mic2 gain Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
  : values=4
numid=6,iface=MIXER,name='Capture Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
  : values=6
numid=3,iface=MIXER,name='Fm output Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
  : values=3
numid=5,iface=MIXER,name='LINEIN APM Volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
  : values=0
numid=2,iface=MIXER,name='MIC output volume'
  ; type=INTEGER,access=rw------,values=1,min=0,max=7,step=0
  : values=3

[root@alarm sunxi]# uname -a
Linux alarm 3.4.61+ #1 SMP PREEMPT Fri Oct 4 16:02:52 BST 2013 armv7l GNU/Linux

[root@alarm sunxi]# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: sunxicodec [sunxi-CODEC], device 0: M1 PCM [sunxi PCM]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
[root@alarm sunxi]# arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: sunxicodec [sunxi-CODEC], device 0: M1 PCM [sunxi PCM]
  Subdevices: 1/1
  Subdevice #0: subdevice #0