diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index 260195072ba3..ce832212b0be 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 // ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver
 
-// Copyright (c) 2018 Rockchip Electronics Co. Ltd.
+// Copyright (c) 2018 Rockchip Electronics Co., Ltd.
 // Author: Sugar Zhang <sugar.zhang@rock-chips.com>
 // Author: Nicolas Frattaroli <frattaroli.nicolas@gmail.com>
 
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.h b/sound/soc/rockchip/rockchip_i2s_tdm.h
index 0f9ee806b4b9..404a89083b28 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.h
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.h
@@ -2,7 +2,7 @@
 /*
  * ALSA SoC Audio Layer - Rockchip I2S/TDM Controller driver
  *
- * Copyright (c) 2018 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2018 Rockchip Electronics Co., Ltd.
  * Author: Sugar Zhang <sugar.zhang@rock-chips.com>
  *
  */