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-rw-r--r--include/sound/sof/ipc4/header.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h
index 78568abe2673..c58f00ef054a 100644
--- a/include/sound/sof/ipc4/header.h
+++ b/include/sound/sof/ipc4/header.h
@@ -106,12 +106,19 @@ enum sof_ipc4_global_msg {
SOF_IPC4_GLB_SAVE_PIPELINE,
SOF_IPC4_GLB_RESTORE_PIPELINE,
- /* Loads library (using Code Load or HD/A Host Output DMA) */
+ /*
+ * library loading
+ *
+ * Loads library (using Code Load or HD/A Host Output DMA)
+ */
SOF_IPC4_GLB_LOAD_LIBRARY,
+ /*
+ * Prepare the host DMA channel for library loading, must be followed by
+ * a SOF_IPC4_GLB_LOAD_LIBRARY message as the library loading step
+ */
+ SOF_IPC4_GLB_LOAD_LIBRARY_PREPARE,
- /* 25: RESERVED - do not use */
-
- SOF_IPC4_GLB_INTERNAL_MESSAGE = 26,
+ SOF_IPC4_GLB_INTERNAL_MESSAGE,
/* Notification (FW to SW driver) */
SOF_IPC4_GLB_NOTIFICATION,