ASoC: SOF: restore byte control data after resume

This patch adds support for retreiving byte control data after
the DSP comes out of D3.

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

Author: ranj063

sound/soc/sof/pm.c

@@ -29,6 +29,7 @@ static int sof_restore_pipelines(struct snd_sof_dev *sdev)
 	struct sof_ipc_comp_dai *comp_dai;
 	struct sof_ipc_hdr *hdr;
 	struct snd_sof_control *scontrol = NULL;
+	int ipc_cmd, ctrl_type, sof_abi;
 	int ret = 0;
 
 	/* restore pipeline components */
@@ -129,10 +130,33 @@ static int sof_restore_pipelines(struct snd_sof_dev *sdev)
 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
 
 		/* notify DSP of kcontrol values */
-		ret = snd_sof_ipc_set_comp_data(sdev->ipc, scontrol,
-						SOF_IPC_COMP_SET_VALUE,
-						SOF_CTRL_TYPE_VALUE_CHAN_SET,
-						scontrol->cmd);
+		switch (scontrol->cmd) {
+		case SOF_CTRL_CMD_VOLUME:
+			ipc_cmd = SOF_IPC_COMP_SET_VALUE;
+			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
+			ret = snd_sof_ipc_set_comp_data(sdev->ipc, scontrol,
+							ipc_cmd, ctrl_type,
+							scontrol->cmd);
+			break;
+		case SOF_CTRL_CMD_BINARY:
+
+			/* Check if control data contains valid data.
+			 * SOF_ABI_MAGIC will not match if there is no data.
+			 */
+			ipc_cmd = SOF_IPC_COMP_SET_DATA;
+			ctrl_type = SOF_CTRL_TYPE_DATA_SET;
+			sof_abi = scontrol->control_data->data->magic;
+			if (sof_abi == SOF_ABI_MAGIC)
+				ret = snd_sof_ipc_set_comp_data(sdev->ipc,
+								scontrol,
+								ipc_cmd,
+								ctrl_type,
+								scontrol->cmd);
+			break;
+
+		default:
+			break;
+		}
 		if (ret < 0) {
 			dev_err(sdev->dev,
 				"error: failed kcontrol value set for widget: %d\n",