#define VT1724_REVO_CS1 0x20 /* front AKM4381 chipselect */
#define VT1724_REVO_CS2 0x40 /* surround AKM4355 chipselect */
#define VT1724_REVO_MUTE (1<<22) /* 0 = all mute, 1 = normal operation */
#define VT1724_REVO_CS1 0x20 /* front AKM4381 chipselect */
#define VT1724_REVO_CS2 0x40 /* surround AKM4355 chipselect */
#define VT1724_REVO_MUTE (1<<22) /* 0 = all mute, 1 = normal operation */