ASoC: SOF: debug-dsp-ops: Add ops for trace init/free

These will be used to debugging purposes when testing the different DSP
ops.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>

sound/soc/sof/debug-dsp-ops.c

@@ -48,6 +48,15 @@ static int sof_dsp_ops_set_power_state(struct snd_sof_dev *sdev, char *state)
 	return 0;
 }
 
+static int sof_dsp_ops_trace_init(struct snd_sof_dev *sdev, bool init)
+{
+	if (init)
+		return sof_fw_trace_init(sdev);
+
+	sof_fw_trace_free(sdev);
+	return 0;
+}
+
 static void sof_dsp_ops_unload_firmware(struct snd_sof_dev *sdev)
 {
 	/* release the currently loaded firmware */
@@ -202,6 +211,13 @@ static ssize_t sof_dsp_ops_tester_dfs_write(struct file *file, const char __user
 	size_t size;
 	char *string;
 
+
+	if (!strcmp(dentry->d_name.name, "init_trace"))
+		return sof_dsp_ops_trace_init(sdev, true);
+
+	if (!strcmp(dentry->d_name.name, "free_trace"))
+		return sof_dsp_ops_trace_init(sdev, false);
+
 	if (!strcmp(dentry->d_name.name, "unload_fw")) {
 		string = kzalloc(count + 1, GFP_KERNEL);
 		if (!string)
@@ -330,5 +346,13 @@ int sof_dbg_dsp_ops_test_init(struct snd_sof_dev *sdev)
 	if (ret < 0)
 		return ret;
 
-	return sof_dsp_dsp_ops_create_dfse(sdev, "unload_fw", dsp_ops_debugfs, 0222);
+	ret = sof_dsp_dsp_ops_create_dfse(sdev, "unload_fw", dsp_ops_debugfs, 0222);
+	if (ret < 0)
+		return ret;
+
+	ret = sof_dsp_dsp_ops_create_dfse(sdev, "init_trace", dsp_ops_debugfs, 0222);
+	if (ret < 0)
+		return ret;
+
+	return sof_dsp_dsp_ops_create_dfse(sdev, "free_trace", dsp_ops_debugfs, 0222);
 }