+/* A.10 Control Selector Codes */
+
+/* A.10.1 Terminal Control Selectors */
+#define UAC_TERM_COPY_PROTECT 0x01
+
+/* A.10.2 Feature Unit Control Selectors */
+#define UAC_FU_MUTE 0x01
+#define UAC_FU_VOLUME 0x02
+#define UAC_FU_BASS 0x03
+#define UAC_FU_MID 0x04
+#define UAC_FU_TREBLE 0x05
+#define UAC_FU_GRAPHIC_EQUALIZER 0x06
+#define UAC_FU_AUTOMATIC_GAIN 0x07
+#define UAC_FU_DELAY 0x08
+#define UAC_FU_BASS_BOOST 0x09
+#define UAC_FU_LOUDNESS 0x0a
+
+#define UAC_CONTROL_BIT(CS) (1 << ((CS) - 1))
+
+/* A.10.3.1 Up/Down-mix Processing Unit Controls Selectors */
+#define UAC_UD_ENABLE 0x01
+#define UAC_UD_MODE_SELECT 0x02
+
+/* A.10.3.2 Dolby Prologic (tm) Processing Unit Controls Selectors */
+#define UAC_DP_ENABLE 0x01
+#define UAC_DP_MODE_SELECT 0x02
+
+/* A.10.3.3 3D Stereo Extender Processing Unit Control Selectors */
+#define UAC_3D_ENABLE 0x01
+#define UAC_3D_SPACE 0x02
+
+/* A.10.3.4 Reverberation Processing Unit Control Selectors */
+#define UAC_REVERB_ENABLE 0x01
+#define UAC_REVERB_LEVEL 0x02
+#define UAC_REVERB_TIME 0x03
+#define UAC_REVERB_FEEDBACK 0x04
+
+/* A.10.3.5 Chorus Processing Unit Control Selectors */
+#define UAC_CHORUS_ENABLE 0x01
+#define UAC_CHORUS_LEVEL 0x02
+#define UAC_CHORUS_RATE 0x03
+#define UAC_CHORUS_DEPTH 0x04
+
+/* A.10.3.6 Dynamic Range Compressor Unit Control Selectors */
+#define UAC_DCR_ENABLE 0x01
+#define UAC_DCR_RATE 0x02
+#define UAC_DCR_MAXAMPL 0x03
+#define UAC_DCR_THRESHOLD 0x04
+#define UAC_DCR_ATTACK_TIME 0x05
+#define UAC_DCR_RELEASE_TIME 0x06
+
+/* A.10.4 Extension Unit Control Selectors */
+#define UAC_XU_ENABLE 0x01
+