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Subject: Re: snd_hda_intel/sst-acpi sound breakage on suspend/resume since
 5.6-rc1
To:     Dominik Brodowski <linux@dominikbrodowski.net>,
        Cezary Rojewski <cezary.rojewski@intel.com>
Cc:     Mark Brown <broonie@kernel.org>, kuninori.morimoto.gx@renesas.com,
        Keyon Jie <yang.jie@linux.intel.com>,
        alsa-devel@alsa-project.org, curtis@malainey.com,
        linux-kernel@vger.kernel.org, tiwai@suse.com,
        liam.r.girdwood@linux.intel.com
References: <d7a357c5-54af-3e69-771c-d7ea83c6fbb7@linux.intel.com>
 <20200318162029.GA3999@light.dominikbrodowski.net>
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 <20200318192213.GA2987@light.dominikbrodowski.net>
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 <20200318215218.GA2439@light.dominikbrodowski.net>
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 <20200319130049.GA2244@light.dominikbrodowski.net>
 <20200319134139.GB3983@sirena.org.uk>
 <a01359dc-479e-b3e3-37a6-4a9c421d18da@intel.com>
 <20200319165157.GA2254@light.dominikbrodowski.net>
From:   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Message-ID: <eef45d20-3bce-184a-842c-216c15252014@linux.intel.com>
Date:   Thu, 19 Mar 2020 12:21:47 -0500
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On 3/19/20 11:51 AM, Dominik Brodowski wrote:
> On Thu, Mar 19, 2020 at 04:48:03PM +0100, Cezary Rojewski wrote:
>> On 2020-03-19 14:41, Mark Brown wrote:
>>> On Thu, Mar 19, 2020 at 02:00:49PM +0100, Dominik Brodowski wrote:
>>>
>>>> Have some good news now, namely that a bisect is complete: That pointed to
>>>> 1272063a7ee4 ("ASoC: soc-core: care .ignore_suspend for Component suspend");
>>>> therefore I've added Kuninori Morimoto to this e-mail thread.
>>>
>>> If that's an issue it feels more like a driver bug in that if the driver
>>> asked for ignore_suspend then it should expect not to have the suspend
>>> callback called.
>>>
>>
>> Requested for tests with following diff applied:
>>
>> diff --git a/sound/soc/intel/boards/broadwell.c
>> b/sound/soc/intel/boards/broadwell.c
>> index db7e1e87156d..6ed4c1b0a515 100644
>> --- a/sound/soc/intel/boards/broadwell.c
>> +++ b/sound/soc/intel/boards/broadwell.c
>> @@ -212,7 +212,6 @@ static struct snd_soc_dai_link broadwell_rt286_dais[] =
>> {
>>                  .init = broadwell_rt286_codec_init,
>>                  .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
>>                          SND_SOC_DAIFMT_CBS_CFS,
>> -               .ignore_suspend = 1,
>>                  .ignore_pmdown_time = 1,
>>                  .be_hw_params_fixup = broadwell_ssp0_fixup,
>>                  .ops = &broadwell_rt286_ops,
> 
> That patch fixes the issue(s). I didn't even need to revert 64df6afa0dab
> ("ASoC: Intel: broadwell: change cpu_dai and platform components for SOF")
> on top of that. But you can assess better whether that patch needs care for
> other reasons; for me, this one-liner you have suggested is perfect.

.ignore_suspend is set for bdw-rt5677.c and bdw-rt5650.c as well. I 
don't know if that was intentional.