1 files changed, 0 insertions, 91 deletions
diff --git a/cras/src/server/cras_ramp.h b/cras/src/server/cras_ramp.h
deleted file mode 100644
index 077e9bea..00000000
--- a/cras/src/server/cras_ramp.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/* Copyright 2016 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef CRAS_RAMP_H_
-#define CRAS_RAMP_H_
-
-#include "cras_iodev.h"
-
-struct cras_ramp;
-
-/*
- * Infomation telling user how to do ramping.
- * action CRAS_RAMP_ACTION_NONE: No scale should be applied.
- * action CRAS_RAMP_ACTION_PARTIAL: scale sample by sample starting from scaler
- *                                  and increase increment for each sample.
- * action CRAS_RAMP_ACTION_INVALID: There is an error in cras_ramp.
- */
-enum CRAS_RAMP_ACTION_TYPE {
-	CRAS_RAMP_ACTION_NONE,
-	CRAS_RAMP_ACTION_PARTIAL,
-	CRAS_RAMP_ACTION_INVALID,
-};
-
-/*
- * Struct to hold current ramping action for user.
- * Members:
- *   type: See CRAS_RAMP_ACTION_TYPE.
- *   scaler: The initial scaler to be applied.
- *   increment: The scaler increment that should be added to scaler for every
- *              frame.
- */
-struct cras_ramp_action {
-	enum CRAS_RAMP_ACTION_TYPE type;
-	float scaler;
-	float increment;
-	float target;
-};
-
-typedef void (*cras_ramp_cb)(void *arg);
-
-/* Creates a ramp. */
-struct cras_ramp *cras_ramp_create();
-
-/* Destroys a ramp. */
-void cras_ramp_destroy(struct cras_ramp *ramp);
-
-/* Ramps the scaler between from and to for duration_frames frames.
- * Args:
- *   ramp[in]: The ramp struct to start.
- *   mute_ramp[in]: Is this ramp a mute->unmute or unmute->mute ramp.
- *   from[in]: The scaler value to ramp from.
- *   to[in]: The scaler value to ramp to.
- *   duration_frames[in]: Ramp duration in frames.
- *   cb[in]: The callback function to call after ramping is done. User can set
- *           cb to turn off speaker/headphone switch after ramping down
- *           is done.
- *   cb_data[in]: The data passed to callback function.
- * Returns:
- *   0 on success; negative error code on failure.
- */
-int cras_ramp_start(struct cras_ramp *ramp, int mute_ramp, float from, float to,
-		    int duration_frames, cras_ramp_cb cb, void *cb_data);
-
-/* Convenience wrappers for cras_ramp_start */
-static inline int cras_mute_ramp_start(struct cras_ramp *ramp, float from,
-				       float to, int duration_frames,
-				       cras_ramp_cb cb, void *cb_data)
-{
-	return cras_ramp_start(ramp, 1, from, to, duration_frames, cb, cb_data);
-}
-
-static inline int cras_volume_ramp_start(struct cras_ramp *ramp, float from,
-					 float to, int duration_frames,
-					 cras_ramp_cb cb, void *cb_data)
-{
-	return cras_ramp_start(ramp, 0, from, to, duration_frames, cb, cb_data);
-}
-
-/* Resets ramp and cancels current ramping. */
-int cras_ramp_reset(struct cras_ramp *ramp);
-
-/* Gets current ramp action. */
-struct cras_ramp_action
-cras_ramp_get_current_action(const struct cras_ramp *ramp);
-
-/* Updates number of samples that went through ramping. */
-int cras_ramp_update_ramped_frames(struct cras_ramp *ramp, int num_frames);
-
-#endif /* CRAS_RAMP_H_ */