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Date:   Mon, 15 Feb 2021 07:28:30 -0800
From:   Tom Rix <trix@...hat.com>
To:     Dinghao Liu <dinghao.liu@....edu.cn>, kjlu@....edu
Cc:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: Intel: Skylake: Fix missing check in
 skl_pcm_trigger


On 2/15/21 7:13 AM, Dinghao Liu wrote:
> When cmd == SNDRV_PCM_TRIGGER_STOP, we should also check
> the return value of skl_decoupled_trigger() just like what
> we have done in case SNDRV_PCM_TRIGGER_PAUSE_RELEASE.
>
> Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>
> ---
>  sound/soc/intel/skylake/skl-pcm.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c
> index b1ca64d2f7ea..a5b1f333a500 100644
> --- a/sound/soc/intel/skylake/skl-pcm.c
> +++ b/sound/soc/intel/skylake/skl-pcm.c
> @@ -516,6 +516,9 @@ static int skl_pcm_trigger(struct snd_pcm_substream *substream, int cmd,
>  			return ret;

Is there any additional error handling to be done for the

skl_stop_pipe that just happened ?

Tom

>  
>  		ret = skl_decoupled_trigger(substream, cmd);
> +		if (ret < 0)
> +			return ret;
> +
>  		if ((cmd == SNDRV_PCM_TRIGGER_SUSPEND) && !w->ignore_suspend) {
>  			/* save the dpib and lpib positions */
>  			stream->dpib = readl(bus->remap_addr +

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