Ubuntu
alsa-driver package

  1. Bug #874535
  2. Comment #55

Comment 55 for bug 874535

Revision history for this message
Raymond (superquad-vortex2) wrote :

http://www.realtek.com.tw/products/productsView.aspx?Langid=1&PFid=28&Level=5&Conn=4&ProdID=284

refer to alc892 datasheet

8.2.4 verb execute pin sense (verb id=709h)

payload

bit 0 right(ring) channel select
           1: sense left channel(tip)
            0: sense right channel(ring)

the ALC892 does not support hardware impedance sensing and will ignore this control