[PATCH] [media] mtk-vcodec: constify venc_common_if structures

[Julia Lawall]

The venc_common_if structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall at lip6.fr>

---
 drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h    |    2 +-
 drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c |    6 +++---
 drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c  |    6 +++---
 drivers/media/platform/mtk-vcodec/venc_drv_if.c       |    4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 94f0a42..b0cb3ed 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -240,7 +240,7 @@ struct mtk_vcodec_ctx {
 	enum mtk_encode_param param_change;
 	struct mtk_enc_params enc_params;
 
-	struct venc_common_if *enc_if;
+	const struct venc_common_if *enc_if;
 	unsigned long drv_handle;
 
 	int int_cond;
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
index 9a60052..532cd36 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
@@ -664,16 +664,16 @@ static int h264_enc_deinit(unsigned long handle)
 	return ret;
 }
 
-static struct venc_common_if venc_h264_if = {
+static const struct venc_common_if venc_h264_if = {
 	h264_enc_init,
 	h264_enc_encode,
 	h264_enc_set_param,
 	h264_enc_deinit,
 };
 
-struct venc_common_if *get_h264_enc_comm_if(void);
+const struct venc_common_if *get_h264_enc_comm_if(void);
 
-struct venc_common_if *get_h264_enc_comm_if(void)
+const struct venc_common_if *get_h264_enc_comm_if(void)
 {
 	return &venc_h264_if;
 }
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
index 60bbcd2..bdf6780 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
@@ -471,16 +471,16 @@ static int vp8_enc_deinit(unsigned long handle)
 	return ret;
 }
 
-static struct venc_common_if venc_vp8_if = {
+static const struct venc_common_if venc_vp8_if = {
 	vp8_enc_init,
 	vp8_enc_encode,
 	vp8_enc_set_param,
 	vp8_enc_deinit,
 };
 
-struct venc_common_if *get_vp8_enc_comm_if(void);
+const struct venc_common_if *get_vp8_enc_comm_if(void);
 
-struct venc_common_if *get_vp8_enc_comm_if(void)
+const struct venc_common_if *get_vp8_enc_comm_if(void)
 {
 	return &venc_vp8_if;
 }
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
index c4c83e7..d02d5f1 100644
--- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
@@ -26,8 +26,8 @@
 #include "mtk_vcodec_enc_pm.h"
 #include "mtk_vpu.h"
 
-struct venc_common_if *get_h264_enc_comm_if(void);
-struct venc_common_if *get_vp8_enc_comm_if(void);
+const struct venc_common_if *get_h264_enc_comm_if(void);
+const struct venc_common_if *get_vp8_enc_comm_if(void);
 
 int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
 {