ASoC: SOF: ipc-test: Register SOF client driver

Create and register the SOF IPC test client driver.
The client ops are dummy placeholders atm.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

Author: ranj063

sound/soc/sof/sof-ipc-test.c

@@ -9,12 +9,36 @@
 #include <linux/module.h>
 #include <linux/pm_runtime.h>
 #include <linux/virtual_bus.h>
+#include "sof-client.h"
 
 #define SOF_IPC_CLIENT_SUSPEND_DELAY_MS 3000
 
+static int sof_ipc_client_probe(struct sof_client_dev *cdev)
+{
+	dev_dbg(cdev->dev, "SOF client probing\n");
+	return 0;
+}
+
+struct sof_client_ops sof_ipc_client_ops = {
+	.probe = sof_ipc_client_probe,
+};
+
+static const struct sof_client_drv sof_ipc_test_client_drv = {
+	.name = "sof-ipc-test-client",
+	.type = SOF_CLIENT_IPC,
+	.ops = &sof_ipc_client_ops,
+};
+
 static int sof_ipc_test_probe(struct virtbus_device *vdev)
 {
-	dev_dbg(&vdev->dev, "probing %s\n", vdev->name);
+	int ret;
+
+	ret = sof_client_drv_register(&vdev->dev, &sof_ipc_test_client_drv);
+	if (ret < 0) {
+		dev_err(&vdev->dev, "error: registering SOF client drv %s\n",
+			sof_ipc_test_client_drv.name);
+		return ret;
+	}
 
 	/* enable runtime PM */
 	pm_runtime_set_autosuspend_delay(&vdev->dev,
@@ -24,11 +48,12 @@ static int sof_ipc_test_probe(struct virtbus_device *vdev)
 	pm_runtime_mark_last_busy(&vdev->dev);
 	pm_runtime_put_autosuspend(&vdev->dev);
 
-	return 0;
+	return ret;
 }
 
 static int sof_ipc_test_remove(struct virtbus_device *vdev)
 {
+	sof_client_drv_unregister(&sof_ipc_test_client_drv);
 	return 0;
 }
 
@@ -74,4 +99,5 @@ module_exit(sof_ipc_test_exit_module);
 
 MODULE_DESCRIPTION("SOF IPC Test Virtual Bus Driver");
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_IMPORT_NS(SND_SOC_SOF_CLIENT);
 MODULE_ALIAS("virtbus:sof-ipc-test-drv");