[media] coda: try to schedule a decode run after a stop command

In case no further buffers are queued after the stop command, restart
job scheduling explicitly.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/coda.c

@@ -907,6 +907,8 @@ static int coda_decoder_cmd(struct file *file, void *fh,
 		/* If this context is currently running, update the hardware flag */
 		coda_write(dev, ctx->bit_stream_param, CODA_REG_BIT_BIT_STREAM_PARAM);
 	}
+	ctx->prescan_failed = false;
+	v4l2_m2m_try_schedule(ctx->fh.m2m_ctx);
 
 	return 0;
 }