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authorHans Verkuil <hans.verkuil@cisco.com>2014-03-10 10:58:27 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 10:31:45 -0300
commita773632c1f9096f76d4b5a112d8e5a7183097aa6 (patch)
treef98afbcd1f5a8ab8ed96c5c96be3f62b584c0a7f
parent782f36ca697034b43177b0d7e05d691f6bce120f (diff)
downloadop-kernel-dev-a773632c1f9096f76d4b5a112d8e5a7183097aa6.zip
op-kernel-dev-a773632c1f9096f76d4b5a112d8e5a7183097aa6.tar.gz
[media] mem2mem_testdev: return pending buffers in stop_streaming()
To keep the vb2 buffer administration in balance stop_streaming() must return any pending buffers to the vb2 framework. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
-rw-r--r--drivers/media/platform/mem2mem_testdev.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c
index 8e2aed2..1ba1a83 100644
--- a/drivers/media/platform/mem2mem_testdev.c
+++ b/drivers/media/platform/mem2mem_testdev.c
@@ -768,10 +768,31 @@ static void m2mtest_buf_queue(struct vb2_buffer *vb)
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
}
+static int m2mtest_stop_streaming(struct vb2_queue *q)
+{
+ struct m2mtest_ctx *ctx = vb2_get_drv_priv(q);
+ struct vb2_buffer *vb;
+ unsigned long flags;
+
+ for (;;) {
+ if (V4L2_TYPE_IS_OUTPUT(q->type))
+ vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+ else
+ vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
+ if (vb == NULL)
+ return 0;
+ spin_lock_irqsave(&ctx->dev->irqlock, flags);
+ v4l2_m2m_buf_done(vb, VB2_BUF_STATE_ERROR);
+ spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
+ }
+ return 0;
+}
+
static struct vb2_ops m2mtest_qops = {
.queue_setup = m2mtest_queue_setup,
.buf_prepare = m2mtest_buf_prepare,
.buf_queue = m2mtest_buf_queue,
+ .stop_streaming = m2mtest_stop_streaming,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
};
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