1 files changed, 5 insertions, 53 deletions
diff --git a/drivers/staging/echo/echo.h b/drivers/staging/echo/echo.h
index 7a91b4390f3..9fb9543c4f1 100644
--- a/drivers/staging/echo/echo.h
+++ b/drivers/staging/echo/echo.h
@@ -118,23 +118,14 @@ a minor burden.
 */
 
 #include "fir.h"
-
-/* Mask bits for the adaption mode */
-#define ECHO_CAN_USE_ADAPTION	0x01
-#define ECHO_CAN_USE_NLP	0x02
-#define ECHO_CAN_USE_CNG	0x04
-#define ECHO_CAN_USE_CLIP	0x08
-#define ECHO_CAN_USE_TX_HPF	0x10
-#define ECHO_CAN_USE_RX_HPF	0x20
-#define ECHO_CAN_DISABLE	0x40
+#include "oslec.h"
 
 /*!
     G.168 echo canceller descriptor. This defines the working state for a line
     echo canceller.
 */
-typedef struct
-{
-	int16_t tx,rx;
+struct oslec_state {
+	int16_t tx, rx;
 	int16_t clean;
 	int16_t clean_nlp;
 
@@ -176,45 +167,6 @@ typedef struct
 
 	/* snapshot sample of coeffs used for development */
 	int16_t *snapshot;
-} echo_can_state_t;
-
-/*! Create a voice echo canceller context.
-    \param len The length of the canceller, in samples.
-    \return The new canceller context, or NULL if the canceller could not be created.
-*/
-echo_can_state_t *echo_can_create(int len, int adaption_mode);
-
-/*! Free a voice echo canceller context.
-    \param ec The echo canceller context.
-*/
-void echo_can_free(echo_can_state_t *ec);
-
-/*! Flush (reinitialise) a voice echo canceller context.
-    \param ec The echo canceller context.
-*/
-void echo_can_flush(echo_can_state_t *ec);
-
-/*! Set the adaption mode of a voice echo canceller context.
-    \param ec The echo canceller context.
-    \param adapt The mode.
-*/
-void echo_can_adaption_mode(echo_can_state_t *ec, int adaption_mode);
-
-void echo_can_snapshot(echo_can_state_t *ec);
-
-/*! Process a sample through a voice echo canceller.
-    \param ec The echo canceller context.
-    \param tx The transmitted audio sample.
-    \param rx The received audio sample.
-    \return The clean (echo cancelled) received sample.
-*/
-int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t rx);
-
-/*! Process to high pass filter the tx signal.
-    \param ec The echo canceller context.
-    \param tx The transmitted auio sample.
-    \return The HP filtered transmit sample, send this to your D/A.
-*/
-int16_t echo_can_hpf_tx(echo_can_state_t *ec, int16_t tx);
+};
 
-#endif	/* __ECHO_H */
+#endif /* __ECHO_H */