#define CS4231_IFACE_CTRL 0x09 /* interface control - bits 7-2 MCE */
#define CS4231_PIN_CTRL 0x0a /* pin control */
#define CS4231_TEST_INIT 0x0b /* test and initialization */
-#define CS4231_MISC_INFO 0x0c /* miscellaneaous information */
+#define CS4231_MISC_INFO 0x0c /* miscellaneous information */
#define CS4231_LOOPBACK 0x0d /* loopback control */
#define CS4231_PLY_UPR_CNT 0x0e /* playback upper base count */
#define CS4231_PLY_LWR_CNT 0x0f /* playback lower base count */
#define CS4236_RIGHT_WAVE 0x1c /* right wavetable serial port volume */
#define CS4236_VERSION 0x9c /* chip version and ID */
+/* definitions for extended registers - OPTI93X */
+#define OPTi931_AUX_LEFT_INPUT 0x10
+#define OPTi931_AUX_RIGHT_INPUT 0x11
+#define OPTi93X_MIC_LEFT_INPUT 0x14
+#define OPTi93X_MIC_RIGHT_INPUT 0x15
+#define OPTi93X_OUT_LEFT 0x16
+#define OPTi93X_OUT_RIGHT 0x17
+
#endif /* __SOUND_CS4231_REGS_H */