ASoC: qcom: q6apm-lpass-dai: close graphs before opening a new one

[ Upstream commit c52615e ]

On multiple prepare calls, its possible that the playback graphs are
not unloaded from the DSP, which can have some wierd side-effects,
one of them is that the data not consumed without any errors.

Fixes: c2ac3ae("ASoC: qcom: q6apm-lpass-dai: unprepare stream if its already prepared")
Signed-off-by: Srinivas Kandagatla <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Stable-dep-of: 68f27f7 ("ASoC: qcom: q6apm-lpass-dais: Fix NULL pointer dereference if source graph failed")
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Srinivas-Kandagatla

sound/soc/qcom/qdsp6/q6apm-lpass-dais.c

@@ -130,6 +130,9 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s
 	if (dai_data->is_port_started[dai->id]) {
 		q6apm_graph_stop(dai_data->graph[dai->id]);
 		dai_data->is_port_started[dai->id] = false;
+
+		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+			q6apm_graph_close(dai_data->graph[dai->id]);
 	}
 
 	/**