omap2_dma_handle_ch: new DMA IRQ for lch 0
WM8978 registers
 0:    0
 1:  1fd
 2:  1bf
 3:  1ef
 4:   10
 5:    0
 6:  16d
 7:    0
 8:    0
 9:    0
 a:   40
 b:   ff
 c:   ff
 d:    0
 e:  100
 f:   ff
10:   ff
11:    0
12:  12c
13:   2c
14:   2c
15:   2c
16:   2c
17:    0
18:   32
19:    0
1a:    0
1b:    0
1c:    0
1d:    0
1e:    0
1f:    0
20:   38
21:    b
22:   32
23:    0
24:    a
25:   1a
26:  1e8
27:  1bf
28:    0
29:    0
2a:    0
2b:    0
2c:   33
2d:   10
2e:   10
2f:  100
30:  100
31:    2
32:    1
33:    1
34:   39
35:   39
36:   39
37:   39
38:    1
39:    1