vc4: hdmi: audio: ASoC: error at snd_soc_dai_startup on fef00700.hdmi

Stefan Wahren stefan.wahren at i2se.com
Thu Jun 17 17:41:09 UTC 2021


Hi Maxime,

Am 17.06.21 um 17:25 schrieb Maxime Ripard:
> Hi Stefan,
>
> On Sat, Jun 12, 2021 at 12:04:08PM +0200, Stefan Wahren wrote:
>> Hi Maxime,
>>
>> Am 04.06.21 um 11:02 schrieb Maxime Ripard:
>>> Hi Stefan,
>>>
>>> I would assume it's due to this:
>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/gpu/drm/vc4/vc4_hdmi.c#n1083
>>>
>>> It pre-dates my time working on the vc4 driver so I'm not really sure
>>> what this is supposed to prevent, but my guess is that it's there to
>>> avoid someone using the audio card before we have a display detected and
>>> connected, and its capabilities known (the first and more obvious one
>>> being does it support audio in the first place).
>>>
>>> It's nothing new though, maybe it's the error printing itself that is?
>> i'm sorry, i forgot about this discussion here:
>>
>> https://lists.freedesktop.org/archives/dri-devel/2020-December/292701.html
> It looks like there's no discussion on that link, is it the link you wanted to paste?

it was the right patch, but the discussion get lost because of turn of
the year. Next try:

https://www.spinics.net/lists/dri-devel/msg284535.html

>
> Maxime


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