linux-kernel - Re: snd_hda_intel/sst-acpi sound breakage on suspend/resume since 5.6-rc1

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Message-ID: <2346211f-4639-75c3-513a-b765a0ba88d2@intel.com>
Date:   Thu, 19 Mar 2020 18:45:00 +0100
From:   Cezary Rojewski <cezary.rojewski@...el.com>
To:     Dominik Brodowski <linux@...inikbrodowski.net>
Cc:     Mark Brown <broonie@...nel.org>, kuninori.morimoto.gx@...esas.com,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Keyon Jie <yang.jie@...ux.intel.com>,
        alsa-devel@...a-project.org, curtis@...ainey.com,
        linux-kernel@...r.kernel.org, tiwai@...e.com,
        liam.r.girdwood@...ux.intel.com
Subject: Re: snd_hda_intel/sst-acpi sound breakage on suspend/resume since
 5.6-rc1

On 2020-03-19 18:33, Cezary Rojewski wrote:
> 
> Thank you for being so cooperative during this 2day debug session.
> 
> The patch I mentioned earlier unintentionally (?) changed 'platform' 
> component param for ssp0_port from 'dummy' to 'platform' for non-SOF 
> solution:
> 
> diff --git a/sound/soc/intel/boards/broadwell.c 
> b/sound/soc/intel/boards/broadwell.c
> index b9c12e24c70b..db7e1e87156d 100644
> --- a/sound/soc/intel/boards/broadwell.c
> +++ b/sound/soc/intel/boards/broadwell.c
> @@ -164,14 +164,6 @@ SND_SOC_DAILINK_DEF(platform,
>   SND_SOC_DAILINK_DEF(codec,
>          DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
> 
> -#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
> -SND_SOC_DAILINK_DEF(ssp0_port,
> -           DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port")));
> -#else
> -SND_SOC_DAILINK_DEF(ssp0_port,
> -           DAILINK_COMP_ARRAY(COMP_DUMMY()));
> -#endif
> -
>   /* broadwell digital audio interface glue - connects codec <--> CPU */
>   static struct snd_soc_dai_link broadwell_rt286_dais[] = {
>          /* Front End DAI links */
> @@ -226,7 +218,7 @@ static struct snd_soc_dai_link 
> broadwell_rt286_dais[] = {
>                  .ops = &broadwell_rt286_ops,
>                  .dpcm_playback = 1,
>                  .dpcm_capture = 1,
> -               SND_SOC_DAILINK_REG(ssp0_port, codec, platform),
> +               SND_SOC_DAILINK_REG(dummy, codec, dummy),
>          },
> 

Of course I messed up the mail - above is a revert of said change.