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Message-ID: <7bbf1688-4dfd-4a6f-90f2-ee235027c701@roeck-us.net>
Date: Wed, 26 Jun 2024 06:09:34 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc: Amadeusz Sławiński
<amadeuszx.slawinski@...ux.intel.com>, Allen Ballway <ballway@...omium.org>,
LKML <linux-kernel@...r.kernel.org>, Brady Norander
<bradynorander@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
Mark Brown <broonie@...nel.org>, linux-sound@...r.kernel.org,
Mark Hasemeyer <markhas@...omium.org>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Cezary Rojewski <cezary.rojewski@...el.com>
Subject: Re: [PATCH] ALSA: hda: intel-dsp-config: Fix Azulle Access 4 quirk
detection
On 6/26/24 00:04, Pierre-Louis Bossart wrote:
>
>
> On 6/25/24 23:37, Guenter Roeck wrote:
>> On Fri, Jun 21, 2024 at 10:35:31AM +0200, Pierre-Louis Bossart wrote:
>>>
>>>
>>> On 6/21/24 08:15, Amadeusz Sławiński wrote:
>>>> On 6/20/2024 9:27 PM, Allen Ballway wrote:
>>>>> I filed a bug and after sharing the requested information it looks
>>>>> like this device won't work on SOF without vendor support. Given this,
>>>>> would the original patch returning this device to using HDAudio be
>>>>> reasonable, or is there an preferred alternative to force this device
>>>>> into using HDAudio?
>>>>>
>>>>
>>>> And can you share link to the issue on mailing list, so someone reading
>>>> this thread in the future doesn't have to guess where it is? ;)
>>>
>>> https://github.com/thesofproject/linux/issues/4981
>>>
>>> I don't know what to do with this configuration.
>>> We added a quirk to force SOF to be used for ES8336 devices. It worked
>>> for some, but not for others. Now we have quite a few ES8336-based
>>> platforms that are broken with zero support from the vendor, with
>>> obscure I2C/GPIO/clk issues.
>>> Are we going to tag each one of them and say 'not supported, use HDMI only'?
>>> That's pushing a bit the notion of quirk...It would generate an endless
>>> stream of patches. The alternative is to do nothing and ask that those
>>> platforms revert to HDMI audio only with a kernel parameter. That latter
>>> alternative has my vote.
>>>
>>
>> Given that this apparently does not work for many ES8336 devices,
>> would it make more sense to disable SOF support for those by default
>> and _enable_ them with a kernel parameter ?
>
> Some configurations work, so we would break them.
>
Yes, but for others it is a regression, so arguably the change to force-enable
SOF caused a regression and should either be reverted or fixed such that all
previously working configurations still work (even more so since fixing
the problem one-by-one as affected systems are found is being rejected).
Thanks,
Guenter
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