openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

media: s5p-jpeg: directly use parsed subsampling on exynos5433 

On exynos5433 variant JPEG data is parsed by hardware only from SOS
marker, so subsampling is parsed by software. As such, its value need
not to be translated from hardware-specific encoding to V4L2 encoding.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Andrzej Pietrasiewicz 2017-08-08 07:27:08 -04:00 committed by Mauro Carvalho Chehab
parent 6c83c1d8e7
commit 4d7be605e0
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/media/platform/s5p-jpeg/jpeg-core.c
View File

@ -628,11 +628,12 @@ static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx)
return V4L2_JPEG_CHROMA_SUBSAMPLING_411;
return exynos3250_decoded_subsampling[ctx->subsampling];
case SJPEG_EXYNOS4:
case SJPEG_EXYNOS5433:
WARN_ON(ctx->subsampling > 3);
if (ctx->subsampling > 2)
return V4L2_JPEG_CHROMA_SUBSAMPLING_420;
return exynos4x12_decoded_subsampling[ctx->subsampling];
case SJPEG_EXYNOS5433:
return ctx->subsampling; /* parsed from header */
default:
WARN_ON(ctx->subsampling > 3);
return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY;