diff --git a/sound/soc/codecs/it6621/it6621-clk.c b/sound/soc/codecs/it6621/it6621-clk.c
index af6c0cecae20..51a3c4390867 100644
--- a/sound/soc/codecs/it6621/it6621-clk.c
+++ b/sound/soc/codecs/it6621/it6621-clk.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-clk.h b/sound/soc/codecs/it6621/it6621-clk.h
index 58d825d806b3..59cecb538cdf 100644
--- a/sound/soc/codecs/it6621/it6621-clk.h
+++ b/sound/soc/codecs/it6621/it6621-clk.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-codec.c b/sound/soc/codecs/it6621/it6621-codec.c
index 58f236510013..12e968b3364c 100644
--- a/sound/soc/codecs/it6621/it6621-codec.c
+++ b/sound/soc/codecs/it6621/it6621-codec.c
@@ -2,7 +2,7 @@
 /*
  * it6621-codec.c -- IT6621 ALSA SoC audio codec driver
  *
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-earc.c b/sound/soc/codecs/it6621/it6621-earc.c
index 56d5227f6dd1..a0ffa5ee9a65 100644
--- a/sound/soc/codecs/it6621/it6621-earc.c
+++ b/sound/soc/codecs/it6621/it6621-earc.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-earc.h b/sound/soc/codecs/it6621/it6621-earc.h
index c4f0f430e1b0..55e911225adc 100644
--- a/sound/soc/codecs/it6621/it6621-earc.h
+++ b/sound/soc/codecs/it6621/it6621-earc.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-reg-bank0.h b/sound/soc/codecs/it6621/it6621-reg-bank0.h
index b447ede66df0..10e071413ef8 100644
--- a/sound/soc/codecs/it6621/it6621-reg-bank0.h
+++ b/sound/soc/codecs/it6621/it6621-reg-bank0.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-reg-bank1.h b/sound/soc/codecs/it6621/it6621-reg-bank1.h
index f75174ff0e36..deded792ce3f 100644
--- a/sound/soc/codecs/it6621/it6621-reg-bank1.h
+++ b/sound/soc/codecs/it6621/it6621-reg-bank1.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-reg-cec.h b/sound/soc/codecs/it6621/it6621-reg-cec.h
index 4ce8865bdc6b..e33e8645a61e 100644
--- a/sound/soc/codecs/it6621/it6621-reg-cec.h
+++ b/sound/soc/codecs/it6621/it6621-reg-cec.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-uapi.c b/sound/soc/codecs/it6621/it6621-uapi.c
index 27ef368f50e8..9b9563579b33 100644
--- a/sound/soc/codecs/it6621/it6621-uapi.c
+++ b/sound/soc/codecs/it6621/it6621-uapi.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621-uapi.h b/sound/soc/codecs/it6621/it6621-uapi.h
index daf6f67eff3d..109c9453cc49 100644
--- a/sound/soc/codecs/it6621/it6621-uapi.h
+++ b/sound/soc/codecs/it6621/it6621-uapi.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */
 
diff --git a/sound/soc/codecs/it6621/it6621.h b/sound/soc/codecs/it6621/it6621.h
index bb902ebeabc4..625c0cabe08d 100644
--- a/sound/soc/codecs/it6621/it6621.h
+++ b/sound/soc/codecs/it6621/it6621.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- * Copyright (c) 2024 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
  * Author: Jason Zhang <jason.zhang@rock-chips.com>
  */