Add an optional validate_fmt operation that is used to validate the pixelformat of CAPTURE buffers.
This is used in next patch to ensure correct pixelformat is used for 10-bit and 4:2:2 content. Signed-off-by: Jonas Karlman <[email protected]> --- drivers/staging/media/rkvdec/rkvdec.c | 8 ++++++++ drivers/staging/media/rkvdec/rkvdec.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index b1de55aa6535..465444c58f13 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -239,6 +239,14 @@ static int rkvdec_try_capture_fmt(struct file *file, void *priv, if (WARN_ON(!coded_desc)) return -EINVAL; + if (coded_desc->ops->validate_fmt) { + int ret; + + ret = coded_desc->ops->validate_fmt(ctx, pix_mp->pixelformat); + if (ret) + return ret; + } + for (i = 0; i < coded_desc->num_decoded_fmts; i++) { if (coded_desc->decoded_fmts[i] == pix_mp->pixelformat) break; diff --git a/drivers/staging/media/rkvdec/rkvdec.h b/drivers/staging/media/rkvdec/rkvdec.h index 2fc9f46b6910..be4fc3645cde 100644 --- a/drivers/staging/media/rkvdec/rkvdec.h +++ b/drivers/staging/media/rkvdec/rkvdec.h @@ -64,6 +64,7 @@ vb2_to_rkvdec_decoded_buf(struct vb2_buffer *buf) struct rkvdec_coded_fmt_ops { int (*adjust_fmt)(struct rkvdec_ctx *ctx, struct v4l2_format *f); + int (*validate_fmt)(struct rkvdec_ctx *ctx, u32 pixelformat); int (*start)(struct rkvdec_ctx *ctx); void (*stop)(struct rkvdec_ctx *ctx); int (*run)(struct rkvdec_ctx *ctx); -- 2.17.1
