Model name	Description
	  ----------    -----------
	ALC880
	  3stack	3-jack in back and a headphone out
	  3stack-digout	3-jack in back, a HP out and a SPDIF out
	  5stack	5-jack in back, 2-jack in front
	  5stack-digout	5-jack in back, 2-jack in front, a SPDIF out
	  6stack	6-jack in back, 2-jack in front
	  6stack-digout	6-jack with a SPDIF out
	  w810		3-jack
	  z71v		3-jack (HP shared SPDIF)
	  asus		3-jack (ASUS Mobo)
	  asus-w1v	ASUS W1V
	  asus-dig	ASUS with SPDIF out
	  asus-dig2	ASUS with SPDIF out (using GPIO2)
	  uniwill	3-jack
	  fujitsu	Fujitsu Laptops (Pi1536)
	  F1734		2-jack
	  lg		LG laptop (m1 express dual)
	  lg-lw		LG LW20/LW25 laptop
	  tcl		TCL S700
	  clevo		Clevo laptops (m520G, m665n)
	  test		for testing/debugging purpose, almost all controls can be
			adjusted.  Appearing only when compiled with
			$CONFIG_SND_DEBUG=y
	  auto		auto-config reading BIOS (default)