diff --git a/drivers/misc/mediatek/audio_ipi/common_v1/framework/audio_messenger_ipi.h b/drivers/misc/mediatek/audio_ipi/common_v1/framework/audio_messenger_ipi.h
index a73f137732ee..a1947e431984 100644
--- a/drivers/misc/mediatek/audio_ipi/common_v1/framework/audio_messenger_ipi.h
+++ b/drivers/misc/mediatek/audio_ipi/common_v1/framework/audio_messenger_ipi.h
@@ -18,7 +18,7 @@
  * =============================================================================
  */
 
-#define MAX_IPI_MSG_BUF_SIZE     (112) /* SHARE_BUF_SIZE - 16 */
+#define MAX_IPI_MSG_BUF_SIZE     (240) /* SHARE_BUF_SIZE - 16 */
 #define IPI_MSG_HEADER_SIZE      (16)
 #define MAX_IPI_MSG_PAYLOAD_SIZE (MAX_IPI_MSG_BUF_SIZE - IPI_MSG_HEADER_SIZE)
 #define MAX_DSP_DMA_WRITE_SIZE   (0x20000)
diff --git a/drivers/misc/mediatek/audio_ipi/common_v2/framework/audio_messenger_ipi.h b/drivers/misc/mediatek/audio_ipi/common_v2/framework/audio_messenger_ipi.h
index 77805eb8a2db..cfbe2018d8a0 100644
--- a/drivers/misc/mediatek/audio_ipi/common_v2/framework/audio_messenger_ipi.h
+++ b/drivers/misc/mediatek/audio_ipi/common_v2/framework/audio_messenger_ipi.h
@@ -19,7 +19,7 @@
  * =============================================================================
  */
 
-#define MAX_IPI_MSG_BUF_SIZE     (112) /* SHARE_BUF_SIZE - 16 */
+#define MAX_IPI_MSG_BUF_SIZE     (240) /* SHARE_BUF_SIZE - 16 */
 #define IPI_MSG_HEADER_SIZE      (16)
 #define MAX_IPI_MSG_PAYLOAD_SIZE (MAX_IPI_MSG_BUF_SIZE - IPI_MSG_HEADER_SIZE)
 #define MAX_DSP_DMA_WRITE_SIZE   (0x20000)
diff --git a/sound/soc/mediatek/audio_dsp/v1/audio_buf.h b/sound/soc/mediatek/audio_dsp/v1/audio_buf.h
index a53aac9dfff7..de638f35a748 100644
--- a/sound/soc/mediatek/audio_dsp/v1/audio_buf.h
+++ b/sound/soc/mediatek/audio_dsp/v1/audio_buf.h
@@ -71,12 +71,12 @@ struct audio_buffer {
 
 struct audio_hw_buffer {
 	struct audio_buffer aud_buffer;
-	char hw_buffer;
-	char audio_memiftype;   /*DL 1,2,3 */
-	char irq_num; /* irq with this hw buffer */
-	char memory_type; /* sram,dram */
+	int hw_buffer;
+	int audio_memiftype;   /*DL 1,2,3 */
+	int irq_num; /* irq with this hw buffer */
+	int memory_type; /* sram,dram */
 	int counter;
-	char ignore_irq;
+	int ignore_irq;
 };
 
 struct audiohw_buffer_ops {
diff --git a/sound/soc/mediatek/audio_dsp/v2/audio_buf.h b/sound/soc/mediatek/audio_dsp/v2/audio_buf.h
index a53aac9dfff7..de638f35a748 100644
--- a/sound/soc/mediatek/audio_dsp/v2/audio_buf.h
+++ b/sound/soc/mediatek/audio_dsp/v2/audio_buf.h
@@ -71,12 +71,12 @@ struct audio_buffer {
 
 struct audio_hw_buffer {
 	struct audio_buffer aud_buffer;
-	char hw_buffer;
-	char audio_memiftype;   /*DL 1,2,3 */
-	char irq_num; /* irq with this hw buffer */
-	char memory_type; /* sram,dram */
+	int hw_buffer;
+	int audio_memiftype;   /*DL 1,2,3 */
+	int irq_num; /* irq with this hw buffer */
+	int memory_type; /* sram,dram */
 	int counter;
-	char ignore_irq;
+	int ignore_irq;
 };
 
 struct audiohw_buffer_ops {