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>
This commit is contained in:
Venkata Prasad Potturu 2023-06-14 16:07:05 +05:30 committed by Mark Brown
parent a3f6df1bf5
commit fd01a15164
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1 changed files with 7 additions and 0 deletions

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@ -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)) {