REG_000
au0828_set(dev, REG_000, 0x10);
au0828_clear(dev, REG_000, 0x10);
au0828_write(dev, REG_000, 0x0);
au0828_write(dev, REG_000, 0x80);
au0828_write(dev, REG_000, 0x80 | 0x20); /* PS + au8522 */
au0828_write(dev, REG_000, 0x0);
au0828_write(dev, REG_000, 0xa0);