The als4000 driver is for Avance Logic ALS4000 sound card.

This driver is referred to Minix(3.4.0) es1371 driver,
Linux(4.2.1) snd_als4000 driver and ALS4000 Media Audio Specification(Rev 1.0).

Revision 1.0 2016/12/23
Authored by Jia-Ju Bai <baijiaju1990@163.com>
