media: platform: Rename existing functions/defines/variables

Rename existing functions/defines/variables with a  _dec prefix and
without dec_ prefix to prepare for the addition of the jpeg encoder
feature.
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Xia Jiang <xia.jiang@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h

@@ -17,8 +17,8 @@
 
 #define MTK_JPEG_COMP_MAX		3
 
-#define MTK_JPEG_FMT_FLAG_DEC_OUTPUT	BIT(0)
-#define MTK_JPEG_FMT_FLAG_DEC_CAPTURE	BIT(1)
+#define MTK_JPEG_FMT_FLAG_OUTPUT	BIT(0)
+#define MTK_JPEG_FMT_FLAG_CAPTURE	BIT(1)
 
 #define MTK_JPEG_MIN_WIDTH	32U
 #define MTK_JPEG_MIN_HEIGHT	32U
@@ -50,8 +50,8 @@ enum mtk_jpeg_ctx_state {
  * @v4l2_dev:		v4l2 device for mem2mem mode
  * @m2m_dev:		v4l2 mem2mem device data
  * @alloc_ctx:		videobuf2 memory allocator's context
- * @dec_vdev:		video device node for decoder mem2mem mode
- * @dec_reg_base:	JPEG registers mapping
+ * @vdev:		video device node for jpeg mem2mem mode
+ * @reg_base:		JPEG registers mapping
  * @clks:		clock names
  * @num_clks:		numbers of clock
  * @larb:		SMI device
@@ -65,8 +65,8 @@ struct mtk_jpeg_dev {
 	struct v4l2_device	v4l2_dev;
 	struct v4l2_m2m_dev	*m2m_dev;
 	void			*alloc_ctx;
-	struct video_device	*dec_vdev;
-	void __iomem		*dec_reg_base;
+	struct video_device	*vdev;
+	void __iomem		*reg_base;
 	struct clk_bulk_data *clks;
 	int num_clks;
 	struct device		*larb;

drivers/media/platform/mtk-jpeg/mtk_jpeg_dec_hw.h

@@ -3,10 +3,11 @@
  * Copyright (c) 2016 MediaTek Inc.
  * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
  *         Rick Chang <rick.chang@mediatek.com>
+ *         Xia Jiang <xia.jiang@mediatek.com>
  */
 
-#ifndef _MTK_JPEG_HW_H
-#define _MTK_JPEG_HW_H
+#ifndef _MTK_JPEG_DEC_HW_H
+#define _MTK_JPEG_DEC_HW_H
 
 #include <media/videobuf2-core.h>