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 <jonas@xxxxxxxxx>
---
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
