Comment 9 for bug 1274401

you have to remove model : asus-mode4 from /etc/modprobe.d/alsa-base.conf

use hda-verb to find the widget cap of node 0x3e

post the output of

sudo ./hda-verb /dev/snd/hwC0D0 0x3e 0xf00 0x9

if return valhe is 0x200500

try to find out the length of the connection List of node 0x3e

sudo ./hda-verb /dev/snd/hwC0D0 0x3e 0xf00 0xe

if value is not zero , try to find out the connection list of node 0x3e

sudo ./hda-verb /dev/snd/hwC0D0 0x3e 0xf02 0x0

the return value is the node which node 0x3e connected to