[v3,12/13,media] s5p-mfc: fix V4L2_CID_MIN_BUFFERS_FOR_CAPTURE on resolution change.
Commit Message
From: Pawel Osciak <posciak@chromium.org>
G_CTRL on V4L2_CID_MIN_BUFFERS_FOR_CAPTURE will fail if userspace happens to
query it after getting a resolution change event and before the codec has
a chance to parse the header and switch to an initialized state.
Signed-off-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Kiran AVND <avnd.kiran@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
---
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
@@ -740,7 +740,8 @@ static int s5p_mfc_dec_g_v_ctrl(struct v4l2_ctrl *ctrl)
ctx->state < MFCINST_ABORT) {
ctrl->val = ctx->pb_count;
break;
- } else if (ctx->state != MFCINST_INIT) {
+ } else if (ctx->state != MFCINST_INIT &&
+ ctx->state != MFCINST_RES_CHANGE_END) {
v4l2_err(&dev->v4l2_dev, "Decoding not initialised\n");
return -EINVAL;
}