Comment # 22 on bug 968744 from Takashi Iwai

(In reply to G of Borg from comment #21)
> tab1:# hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x07
> nid = 0x20, verb = 0x500, param = 0x7
> value = 0x0
> 
> 
> tab1:# hda-verb /dev/snd/hwC0D0 0x20 GET_PROC_COEF 0
> nid = 0x20, verb = 0xc00, param = 0x0
> value = 0x7ca0
> 
> I do not understand the second part of your instruction so I cannot complete
> it.
> But posted above are the results from the first set of instructions.

The bits 0x2030 means the bit 4, 5 and 13.  0x7ca0 already contains bits 5, 7,
10, 11, 12, 13, 14.  So, the bit 4 is missing.  Turning this bit on, it becomes
0x7cb0.

So, run like
  hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x07
  hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x7cb0