Comment 2 for bug 1040873

how do you want to fix this problem ?

use jack sense of 0x16 to change the stereo profile to surround5.1 profile of pulseaudio

http://www.realtek.com.tw/products/productsView.aspx?Langid=1&PNid=24&PFid=37&Level=5&Conn=4&ProdID=165

Supports primary SPDIF-OUT jack detection when CEN/LFE output is not enabled (customized RCA/optical transmitter with normal open switch is required)