Takashi Iwai wrote On 17-08-2009 12:34: > For SET_UNSOLICITED_ENABLE verb, you need to a value (TAG | AC_USRSP_EN). > in the case of above, suppose the tag to be 0x0c, pass 0x8c. > > Okay I've got the mechanism, thanks. How can I help for fixing HP automuting? setting UNSOLICITED_ENABLE didn't help at all.