[Sound-open-firmware] [PATCH v2] ipc: skip host page table set up for hostless tone pipeline

[Ranjani Sridharan]

Hostless pipelines such as the tone pipeline do not need
host page table while setting up pcm params.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
---
 src/ipc/handler.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ipc/handler.c b/src/ipc/handler.c
index 581ce9e..92aa846 100644
--- a/src/ipc/handler.c
+++ b/src/ipc/handler.c
@@ -125,8 +125,11 @@ static int ipc_stream_pcm_params(uint32_t stream)
 	cd = pcm_dev->cd;
 	cd->params = pcm_params->params;
 
-#ifdef CONFIG_HOST_PTABLE
+	/* no need to set up host page table for hostless pipelines */
+	if (cd->comp.type == SOF_COMP_TONE)
+		goto pipe_params;
 
+#ifdef CONFIG_HOST_PTABLE
 	list_init(&elem_list);
 
 	/* use DMA to read in compressed page table ringbuffer from host */
@@ -163,6 +166,8 @@ static int ipc_stream_pcm_params(uint32_t stream)
 	}
 #endif
 
+pipe_params:
+
 	/* configure pipeline audio params */
 	err = pipeline_params(pcm_dev->cd->pipeline, pcm_dev->cd, pcm_params);
 	if (err < 0) {
-- 
2.17.1