ASoC: SOF: clients: Add API to get the SOF firmware version

Clients might need to be aware of the SOF firmware version in case the IPC
message format differs between revisions.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>

Author: ujfalusi

sound/soc/sof/sof-client.c

@@ -223,6 +223,14 @@ struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev)
 }
 EXPORT_SYMBOL_NS_GPL(sof_client_get_dma_dev, SND_SOC_SOF_CLIENT);
 
+const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev)
+{
+	struct snd_sof_dev *sdev = sof_client_dev_to_sof_dev(cdev);
+
+	return &sdev->fw_ready.version;
+}
+EXPORT_SYMBOL_NS_GPL(sof_client_get_fw_version, SND_SOC_SOF_CLIENT);
+
 /* IPC event handling */
 void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *full_msg)
 {

sound/soc/sof/sof-client.h

@@ -8,6 +8,7 @@
 #include <linux/list.h>
 #include <sound/sof.h>
 
+struct sof_ipc_fw_version;
 struct sof_ipc_cmd_hdr;
 struct snd_sof_dev;
 struct dentry;
@@ -39,6 +40,7 @@ int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg,
 
 struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev);
 struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev);
+const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev);
 
 /* IPC notification */
 typedef void (*sof_client_event_callback)(struct sof_client_dev *cdev,