Implemented LG LW20 5.1 support based on ALC880 threestack modes. It was
previously set to use one DAC and 2 jack modes, giving 2-channel output
only. Analog CD playing support is still missing.
Signed-off-by: NClaudio Matsuoka <cmatsuoka@gmail.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>