[media] coda: remove unused isequence, reset qsequence in stop_streaming

The isequence counter is never used, qsequence counts the buffers queued into
the bit decoder bitstream ringbuffer. It needs to be reset in stop_streaming.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/coda/coda-common.c

@@ -1304,7 +1304,7 @@ static void coda_stop_streaming(struct vb2_queue *q)
 
 		coda_bit_stream_end_flag(ctx);
 
-		ctx->isequence = 0;
+		ctx->qsequence = 0;
 
 		while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
 			v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);

drivers/media/platform/coda/coda.h

@@ -198,7 +198,6 @@ struct coda_ctx {
 	int				initialized;
 	int				streamon_out;
 	int				streamon_cap;
-	u32				isequence;
 	u32				qsequence;
 	u32				osequence;
 	u32				sequence_offset;