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-rw-r--r--sound/pci/ctxfi/ctimap.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctimap.h b/sound/pci/ctxfi/ctimap.h
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+++ b/sound/pci/ctxfi/ctimap.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * @File ctimap.h
+ *
+ * @Brief
+ * This file contains the definition of generic input mapper operations
+ * for input mapper management.
+ *
+ * @Author Liu Chun
+ * @Date May 23 2008
+ */
+
+#ifndef CTIMAP_H
+#define CTIMAP_H
+
+#include <linux/list.h>
+
+struct imapper {
+ unsigned short slot; /* the id of the slot containing input data */
+ unsigned short user; /* the id of the user resource consuming data */
+ unsigned short addr; /* the input mapper ram id */
+ unsigned short next; /* the next input mapper ram id */
+ struct list_head list;
+};
+
+int input_mapper_add(struct list_head *mappers, struct imapper *entry,
+ int (*map_op)(void *, struct imapper *), void *data);
+
+int input_mapper_delete(struct list_head *mappers, struct imapper *entry,
+ int (*map_op)(void *, struct imapper *), void *data);
+
+void free_input_mapper_list(struct list_head *mappers);
+
+#endif /* CTIMAP_H */