linux-kernel - Re: [PATCH V0 0/1] ASoC: soc-compress: Fix and add missing DPCM locking

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Date: Wed, 6 Mar 2024 19:56:36 +0530
From: Vinod Koul <vkoul@...nel.org>
To: Shalini Manjunatha <quic_c_shalma@...cinc.com>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	Raghu Bankapur <quic_rbankapu@...cinc.com>,
	alsa-devel@...a-project.org, linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Krishna Jha <quic_kkishorj@...cinc.com>
Subject: Re: [PATCH V0 0/1] ASoC: soc-compress: Fix and add missing DPCM
 locking

On 06-03-24, 16:23, Shalini Manjunatha wrote:
> 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() in above flow
> when ever we play compress offload audio playback use case.

where is the patch ?

> 
> To fix this issue added DPCM lock and unlock in both places of
> above code flow mentioned.
> 
> Shalini Manjunatha (1):
>   ASoC: soc-compress: Fix and add DPCM locking
> 
>  sound/soc/soc-compress.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> -- 
> 2.7.4

-- 
~Vinod