[PATCH v5 06/11] media: cedrus: Cleanup control initialization

Ezequiel Garcia
2019-08-12T19:36:39Z

In order to introduce other controls, the control initialization
needs to support an initial struct v4l2_ctrl_control.

While here, let's cleanup the control initialization,
removing unneeded fields.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
Changes in v5:
* None.
Changes in v4:
* New patch.
---
drivers/staging/media/sunxi/cedrus/cedrus.c | 45 +++++++++++----------
drivers/staging/media/sunxi/cedrus/cedrus.h | 3 +-
2 files changed, 25 insertions(+), 23 deletions(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
index 370937edfc14..7bdc413bf727 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -29,44 +29,51 @@

static const struct cedrus_control cedrus_controls[] = {
{
- .id = V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
- .elem_size = sizeof(struct v4l2_ctrl_mpeg2_slice_params),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
+ },
.codec = CEDRUS_CODEC_MPEG2,
.required = true,
},
{
- .id = V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION,
- .elem_size = sizeof(struct v4l2_ctrl_mpeg2_quantization),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION,
+ },
.codec = CEDRUS_CODEC_MPEG2,
.required = false,
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
- .elem_size = sizeof(struct v4l2_ctrl_h264_decode_params),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS,
+ },
.codec = CEDRUS_CODEC_H264,
.required = true,
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
- .elem_size = sizeof(struct v4l2_ctrl_h264_slice_params),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS,
+ },
.codec = CEDRUS_CODEC_H264,
.required = true,
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_SPS,
- .elem_size = sizeof(struct v4l2_ctrl_h264_sps),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SPS,
+ },
.codec = CEDRUS_CODEC_H264,
.required = true,
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
- .elem_size = sizeof(struct v4l2_ctrl_h264_pps),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_PPS,
+ },
.codec = CEDRUS_CODEC_H264,
.required = true,
},
{
- .id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
- .elem_size = sizeof(struct v4l2_ctrl_h264_scaling_matrix),
+ .cfg = {
+ .id = V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX,
+ },
.codec = CEDRUS_CODEC_H264,
.required = true,
},
@@ -106,12 +113,8 @@ static int cedrus_init_ctrls(struct cedrus_dev *dev, struct cedrus_ctx *ctx)
return -ENOMEM;

for (i = 0; i < CEDRUS_CONTROLS_COUNT; i++) {
- struct v4l2_ctrl_config cfg = {};
-
- cfg.elem_size = cedrus_controls[i].elem_size;
- cfg.id = cedrus_controls[i].id;
-
- ctrl = v4l2_ctrl_new_custom(hdl, &cfg, NULL);
+ ctrl = v4l2_ctrl_new_custom(hdl, &cedrus_controls[i].cfg,
+ NULL);
if (hdl->error) {
v4l2_err(&dev->v4l2_dev,
"Failed to create new custom control\n");
@@ -178,7 +181,7 @@ static int cedrus_request_validate(struct media_request *req)
continue;

ctrl_test = v4l2_ctrl_request_hdl_ctrl_find(hdl,
- cedrus_controls[i].id);
+ cedrus_controls[i].cfg.id);
if (!ctrl_test) {
v4l2_info(&ctx->dev->v4l2_dev,
"Missing required codec control\n");
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
index 3f476d0fd981..283827656872 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
@@ -49,8 +49,7 @@ enum cedrus_h264_pic_type {
};

struct cedrus_control {
- u32 id;
- u32 elem_size;
+ struct v4l2_ctrl_config cfg;
enum cedrus_codec codec;
unsigned char required:1;
};
--
2.22.0