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Message-ID: <CALAqxLVko31=PXSGoGL3uvvdjpFZ9QVOYygwVSH0i2uR=EX9gw@mail.gmail.com>
Date: Fri, 12 Jun 2020 16:59:49 -0700
From: John Stultz <john.stultz@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Takashi Iwai <tiwai@...e.de>,
Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
Mark Brown <broonie@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Bard Liao <yung-chuan.liao@...ux.intel.com>,
Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
Vinod Koul <vinod.koul@...aro.org>,
Amit Pundir <amit.pundir@...aro.org>
Subject: Re: [GIT PULL] sound fixes for 5.8-rc1
On Fri, Jun 12, 2020 at 4:42 AM Srinivas Kandagatla
<srinivas.kandagatla@...aro.org> wrote:
>
> Thanks John for reporting this,
>
> On 12/06/2020 01:49, John Stultz wrote:
> > On Thu, Jun 11, 2020 at 5:13 PM John Stultz <john.stultz@...aro.org> wrote:
> >>
> >> On Thu, Jun 11, 2020 at 6:39 AM Takashi Iwai <tiwai@...e.de> wrote:
> >>> sound fixes for 5.8-rc1
> >>>
> >>> Here are last-minute fixes gathered before merge window close;
> >>> a few fixes are for the core while the rest majority are driver
> >>> fixes.
> >>>
> >>> * PCM locking annotation fixes and the possible self-lock fix
> >>> * ASoC DPCM regression fixes with multi-CPU DAI
> >>
> >> Just as a heads up, we just recently got HDMI audio working on the
> >> Dragonboard 845c (Vinod has patches he's sending out here in the next
> >> few days), but they suddenly stopped working today with the following
> >> error:
> >> [ 13.110725] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia1 mapping ok
> >> [ 13.119343] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia2 mapping ok
> >> [ 13.127969] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia3 mapping ok
> >> [ 13.135891] msm-snd-sdm845 soc@0:sound: Compress ASoC:
> >> snd-soc-dummy-dai <-> MultiMedia4 mapping ok
> >> [ 13.145042] msm-snd-sdm845 soc@0:sound: CPU DAI QUAT_MI2S_RX for
> >> rtd HDMI Playback does not support capture
> >> [ 13.154873] msm-snd-sdm845 soc@0:sound: ASoC: can't create pcm HDMI
> >> Playback :-22
> >> [ 13.165634] snd-malloc: invalid device type 0
> >> [ 13.170057] snd-malloc: invalid device type 0
> >> [ 13.174888] msm-snd-sdm845 soc@0:sound: Sound card registration failed
> >> [ 13.181574] msm-snd-sdm845: probe of soc@0:sound failed with error -22
> >>
> >> I've bisected it down to the following commit from this pull req:
> >> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b73287f0b0745961b14e5ebcce92cc8ed24d4d52
> >>
> >> Without this patch:
> >> [ 13.056906] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia1 mapping ok
> >> [ 13.075465] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia2 mapping ok
> >> [ 13.092949] msm-snd-sdm845 soc@0:sound: snd-soc-dummy-dai <->
> >> MultiMedia3 mapping ok
> >> [ 13.109704] msm-snd-sdm845 soc@0:sound: Compress ASoC:
> >> snd-soc-dummy-dai <-> MultiMedia4 mapping ok
> >> [ 13.125584] msm-snd-sdm845 soc@0:sound: i2s-hifi <-> QUAT_MI2S_RX mapping ok
> >> [ 13.125621] msm-snd-sdm845 soc@0:sound: multicodec <-> SLIMBUS_0_RX
> >> mapping ok
> >> [ 13.141682] msm-snd-sdm845 soc@0:sound: wcd934x_tx1 <->
> >> SLIMBUS_0_TX mapping ok
> >> ...
> >>
> >> I've not managed to dig in with much analysis yet (possibly something
> >> off with the current patches we have), but wanted to raise the issue
> >> in case others start to see it too.
> >
> > I don't know the backgroun again, but would something like the
> > following make sense?
> > https://git.linaro.org/people/john.stultz/android-dev.git/commit/?h=dev/db845c-mainline-WIP&id=7e49b248db77b5ed29b2aa278268e77650c75482
> >
> > It avoids failing completely if playback or capture isn't found.
>
> Can you please try these two patches, I think the problem is that FE
> dailinks are always set to bidirectional, this two patches should fix it.
>
> https://git.linaro.org/people/srinivas.kandagatla/linux.git/commit/?h=gapless/v2&id=bb7ce65a0ca1640cd9ff301c885f56ce00519834
>
> https://git.linaro.org/people/srinivas.kandagatla/linux.git/commit/?h=gapless/v2&id=9b568e491f0410b453aaf5a147b75252a6943ffd
>
>
> Once you confirm I can send them to list as fixes.
Yep! These two patches work for me! Thanks so much for the quick fix!
-john
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