From 9a8b202f8cb7ebebc71f1f2a353a21c76d3063a8 Mon Sep 17 00:00:00 2001 From: Shalini Manjunatha Date: Wed, 6 Mar 2024 16:23:20 +0530 Subject: ASoC: soc-compress: Fix and add DPCM locking We find mising DPCM locking inside soc_compr_set_params_fe before calling dpcm_be_dai_hw_params() and dpcm_be_dai_prepare() which cause lockdep assert for DPCM lock not held in __soc_pcm_hw_params() and __soc_pcm_prepare() Signed-off-by: Shalini Manjunatha Link: https://msgid.link/r/d985beeafdd32316eb45f20811eb7926da7a796e.1709720380.git.quic_c_shalma@quicinc.com Signed-off-by: Mark Brown --- sound/soc/soc-compress.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index a38fee48ee00..e692aa3b8b22 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -385,11 +385,15 @@ static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; + snd_soc_dpcm_mutex_lock(fe); ret = dpcm_be_dai_hw_params(fe, stream); + snd_soc_dpcm_mutex_unlock(fe); if (ret < 0) goto out; + snd_soc_dpcm_mutex_lock(fe); ret = dpcm_be_dai_prepare(fe, stream); + snd_soc_dpcm_mutex_unlock(fe); if (ret < 0) goto out; -- cgit v1.2.3-58-ga151