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authorVenkata Prasad Potturu2023-06-14 16:07:05 +0530
committerMark Brown2023-06-14 12:27:00 +0100
commitfd01a15164a15328fd96f9ce820f0fc9f700f00b (patch)
tree82313833ecc52f3c6b81f9d6cd40baf4d55c043c /sound
parenta3f6df1bf514516d276e90d38ca11581701f2e8e (diff)
ASoC: SOF: amd: Add support for IPC with a reply_size set to zero
Add support for IPC tx_message with a reply_size set to zero, return zero when message reply_size is zero at acp_dsp_ipc_get_reply(). Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com> Link: https://lore.kernel.org/r/20230614103707.2246296-1-venkataprasad.potturu@amd.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/sof/amd/acp-ipc.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 749e856dc601..8a0fc635a997 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -130,6 +130,13 @@ static void acp_dsp_ipc_get_reply(struct snd_sof_dev *sdev)
memcpy(msg->reply_data, &reply, sizeof(reply));
ret = reply.error;
} else {
+ /*
+ * To support an IPC tx_message with a
+ * reply_size set to zero.
+ */
+ if (!msg->reply_size)
+ goto out;
+
/* reply correct size ? */
if (reply.hdr.size != msg->reply_size &&
!(reply.hdr.cmd & SOF_IPC_GLB_PROBE)) {