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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>
Cc:     Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.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, broonie@kernel.org
References: <20200318063022.GA116342@light.dominikbrodowski.net>
 <41d0b2b5-6014-6fab-b6a2-7a7dbc4fe020@linux.intel.com>
 <20200318123930.GA2433@light.dominikbrodowski.net>
 <d7a357c5-54af-3e69-771c-d7ea83c6fbb7@linux.intel.com>
 <20200318162029.GA3999@light.dominikbrodowski.net>
 <e49eec28-2037-f5db-e75b-9eadf6180d81@intel.com>
 <20200318192213.GA2987@light.dominikbrodowski.net>
 <b352a46b-8a66-8235-3622-23e561d3728c@intel.com>
 <20200318215218.GA2439@light.dominikbrodowski.net>
From:   Cezary Rojewski <cezary.rojewski@intel.com>
Message-ID: <e7f4f38d-b53e-8c69-8b23-454718cf92af@intel.com>
Date:   Wed, 18 Mar 2020 23:20:55 +0100
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On 2020-03-18 22:52, Dominik Brodowski wrote:
> On Wed, Mar 18, 2020 at 09:43:54PM +0100, Cezary Rojewski wrote:
>> On 2020-03-18 20:22, Dominik Brodowski wrote:
>>> On Wed, Mar 18, 2020 at 07:27:58PM +0100, Cezary Rojewski wrote:
>>
>>>>
>>>> Due to pandemic I'm working remotely and right now won't be able to test
>>>> audio quality so focusing on the stream==NULL issue. And thus we got to help
>>>> each other out : )
>>>
>>> Sure, and thanks for taking a look at this!
>>>
>>>> Could you verify issue reproduces on 5.6.0-rc1 on your machine?
>>>
>>> It reproduces on 5.6.0-rc1 + i915-bugfix. I'm trying to bisect it further in
>>> the background, but that may take quite some time.
>>>
>>
>> Could you checkout v5.6-rc1 with following commit reverted:
>> 	ASoC: Intel: broadwell: change cpu_dai and platform components for SOF
>>
>> For my working v5.6-rc1 commit id is:
>> 64df6afa0dab5eda95cc4cc2269e3d4e83b6b6ce.
> 
> Hm, no joy -- after suspend/resume, no sound at first, and if I twiggle some
> options with pulseaudio, I get garbled output (even when using
> 
> 	aplay -f S16_LE -r 44100 -c 2 --device="sysdefault:CARD=broadwellrt286"
> 
> ). Will try to bisect further the next days.
> 

Thanks for quick reply. Revert of said commit fixes stream==NULL issue 
for me. See if there were any changes in dmesg.
Will ask technicians to assist me on site tomorrow.

Regards,
Czarek