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-rw-r--r--include/sound/sof/ipc4/header.h15
-rw-r--r--sound/soc/sof/ipc4.c1
2 files changed, 12 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,
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
index 24e9c29f3579..e14924048eb5 100644
--- a/sound/soc/sof/ipc4.c
+++ b/sound/soc/sof/ipc4.c
@@ -157,6 +157,7 @@ static const char * const ipc4_dbg_glb_msg_type[] = {
DBG_IPC4_MSG_TYPE_ENTRY(GLB_SAVE_PIPELINE),
DBG_IPC4_MSG_TYPE_ENTRY(GLB_RESTORE_PIPELINE),
DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY),
+ DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY_PREPARE),
DBG_IPC4_MSG_TYPE_ENTRY(GLB_INTERNAL_MESSAGE),
DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION),
};