LinuxTV Patchwork [04/10] media: coda: add min number of buffers controls

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Submitter Philipp Zabel
Date April 8, 2019, 12:32 p.m.
Message ID <20190408123256.22868-4-p.zabel@pengutronix.de>
Download mbox | patch
Permalink /patch/55531/
State Under Review
Delegated to: Hans Verkuil
Headers show

Comments

Philipp Zabel - April 8, 2019, 12:32 p.m.
Add min number of buffers for capture (decoder) and output (encoder)
controls, which are required by the stateful video decoder / encoder
interface specification.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/media/platform/coda/coda-common.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch

diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index de608de62908..f1d3fb17784a 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -2061,11 +2061,17 @@  static int coda_ctrls_setup(struct coda_ctx *ctx)
 	v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
 		V4L2_CID_VFLIP, 0, 1, 1, 0);
 	if (ctx->inst_type == CODA_INST_ENCODER) {
+		v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+				  V4L2_CID_MIN_BUFFERS_FOR_OUTPUT,
+				  1, 1, 1, 1);
 		if (ctx->cvd->dst_formats[0] == V4L2_PIX_FMT_JPEG)
 			coda_jpeg_encode_ctrls(ctx);
 		else
 			coda_encode_ctrls(ctx);
 	} else {
+		v4l2_ctrl_new_std(&ctx->ctrls, &coda_ctrl_ops,
+				  V4L2_CID_MIN_BUFFERS_FOR_CAPTURE,
+				  1, 1, 1, 1);
 		if (ctx->cvd->src_formats[0] == V4L2_PIX_FMT_H264)
 			coda_decode_ctrls(ctx);
 	}

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