qcacmn: Add error handling in the Spectral control path

Add an attribute which describes the error code
in the response to set config, start scan and stop
scan.

CRs-Fixed: 2500481
Change-Id: I491cd6e061d2d08ceb4d9af2a7de5223e229c280

spectral/dispatcher/inc/wlan_spectral_tgt_api.h

@@ -102,7 +102,7 @@ QDF_STATUS tgt_get_spectral_config(struct wlan_objmgr_pdev *pdev,
  * tgt_start_spectral_scan() - Start spectral scan
  * @pdev: Pointer to pdev object
  * @smode: Spectral scan mode
- * @res: Spectral control path error code
+ * @err: Spectral control path error code
  *
  * Implementation for starting spectral scan
  *
@@ -116,13 +116,15 @@ QDF_STATUS tgt_start_spectral_scan(struct wlan_objmgr_pdev *pdev,
  * tgt_stop_spectral_scan() - Stop spectral scan
  * @pdev: Pointer to pdev object
  * @smode: Spectral scan mode
+ * @err: Spectral control path error code
  *
  * Implementation for stop spectral scan
  *
  * Return: QDF_STATUS_SUCCESS on success, else QDF_STATUS_E_FAILURE
  */
 QDF_STATUS tgt_stop_spectral_scan(struct wlan_objmgr_pdev *pdev,
-				  enum spectral_scan_mode smode);
+				  enum spectral_scan_mode smode,
+				  enum spectral_cp_error_code *err);
 
 /**
  * tgt_is_spectral_active() - Get whether Spectral is active