[media] coda: keep buffers on the queue in bitstream end mode

In stream end mode the hardware will read the bitstream to its end,
overshooting the write pointer. Do not write additional data into
the bitstream in this mode.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 47fc2f19a4a9afda31e5dc830c962cc551d3009f..0f8dcea065afa0284927ccaf8828b4756fd54f4b 100644 (file)
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -228,6 +228,9 @@ void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
        struct coda_buffer_meta *meta;
        u32 start;
 
+       if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG)
+               return;
+
        while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
                /*
                 * Only queue a single JPEG into the bitstream buffer, except