From 088f8300c99e798637012195682d40dd1070bb82 Mon Sep 17 00:00:00 2001 From: Jacek Anaszewski Date: Mon, 25 Nov 2013 06:58:15 -0300 Subject: [PATCH] [media] s5p-jpeg: Synchronize cached controls with V4L2 core This patch adds proper initialization of the in-driver cached state of JPEG controls with V4L2 core. Signed-off-by: Jacek Anaszewski Signed-off-by: Kyungmin Park Acked-by: Hans Verkuil Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s5p-jpeg/jpeg-core.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 57ee2655f759..447022f7d9ff 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -865,6 +865,7 @@ static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) { unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ struct v4l2_ctrl *ctrl; + int ret; v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); @@ -884,13 +885,24 @@ static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, V4L2_JPEG_CHROMA_SUBSAMPLING_422); - if (ctx->ctrl_handler.error) - return ctx->ctrl_handler.error; + if (ctx->ctrl_handler.error) { + ret = ctx->ctrl_handler.error; + goto error_free; + } if (ctx->mode == S5P_JPEG_DECODE) ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY; - return 0; + + ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); + if (ret < 0) + goto error_free; + + return ret; + +error_free: + v4l2_ctrl_handler_free(&ctx->ctrl_handler); + return ret; } static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { -- 2.30.2