From: Sylwester Nawrocki <s.nawrocki@samsung.com>
To: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
Mark Brown <broonie@kernel.org>, Inki Dae <inki.dae@samsung.com>,
"linux-samsung-soc@vger.kernel.org"
<linux-samsung-soc@vger.kernel.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Andrzej Hajda <a.hajda@samsung.com>
Subject: Re: [FAIL bisect] Sound card probe error
Date: Mon, 14 May 2018 15:34:29 +0200 [thread overview]
Message-ID: <c62a6f86-4c6f-f7ed-f615-93d6db7412ec@samsung.com> (raw)
In-Reply-To: <CAJKOXPeNJtmU2+8CdMRwXignMTetn=LScdcMspfkP3MVmTSHrg@mail.gmail.com>
On 05/14/2018 02:50 PM, Krzysztof Kozlowski wrote:
> On Mon, May 14, 2018 at 2:45 PM, Krzysztof Kozlowski <krzk@kernel.org> wrote:
>> On Mon, May 14, 2018 at 2:40 PM, Sylwester Nawrocki
>> <s.nawrocki@samsung.com> wrote:
>>> On 05/14/2018 02:29 PM, Krzysztof Kozlowski wrote:
>>>> Ah, I missed these messages because I was looking at err dmesg level
>>>> (and for some reason these are warn). Anyway do you have any thoughts
>>>> how is it connected with missing Odroid XU3 sound card and max98090
>>>> codec?
>>> One reason is that the DRM driver registers an ASoC codec object which
>>> is required for the sound card registration to complete. But I wonder
>>> why there is no any error messages related to this.
>> Thanks Marek and Sylwester. Another point is that probably OOPS later
>> should not happen...
> Separate topic (trim Cc list):
>
> ... and this means that disabling Exynos DRM causes lack of Audio. I
> tried it now and indeed without DRM there is no audio again. I think
> it is not nice... There are not many such use cases but there are
> (playing audio from console/ssh with a headless board).\
As we discussed off the mailing list, what we could probably do now
is to add a compile time dependency on CONFIG_DRM_EXYNOS_HDMI, a fallback
to the max98098 codec only when the HDMI driver is disabled.
That might require modifying snd_soc_of_get_dai_link_codecs() so it can
skip optional codecs.
--
Regards,
Sylwester
next prev parent reply other threads:[~2018-05-14 13:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20180514101728epcas4p3108760546a415b36252df93dfe38e0fb@epcas4p3.samsung.com>
2018-05-14 10:17 ` [FAIL bisect] Sound card probe error Krzysztof Kozlowski
2018-05-14 12:22 ` Sylwester Nawrocki
2018-05-14 12:29 ` Krzysztof Kozlowski
2018-05-14 12:36 ` Marek Szyprowski
2018-05-14 12:40 ` Sylwester Nawrocki
2018-05-14 12:45 ` Krzysztof Kozlowski
2018-05-14 12:50 ` Krzysztof Kozlowski
2018-05-14 13:34 ` Sylwester Nawrocki [this message]
2018-05-14 12:30 ` Ulf Hansson
2018-05-14 12:43 ` Krzysztof Kozlowski
2018-05-14 14:35 ` Ulf Hansson
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