ASoC: SOF: sof-client-probes: Only load the driver if IPC3 is used

[ Upstream commit 9b93eda ]

The current implementation of probes only supports IPC3 and should not be
loaded for other IPC implementation.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220712131022.1124-1-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

sound/soc/sof/sof-client-probes.c

@@ -693,6 +693,10 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev,
 	if (!sof_probes_enabled)
 		return -ENXIO;
 
+	/* only ipc3 is supported */
+	if (sof_client_get_ipc_type(cdev) != SOF_IPC)
+		return -ENXIO;
+
 	if (!dev->platform_data) {
 		dev_err(dev, "missing platform data\n");
 		return -ENODEV;