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Date:   Thu, 5 Apr 2018 22:56:57 +0200
From:   Dominik Brodowski <linux@...inikbrodowski.net>
To:     hch@....de
Cc:     thomas.lendacky@....com, tglx@...utronix.de, dwmw2@...radead.org,
        joro@...tes.org, jdmason@...zu.us, konrad.wilk@...cle.com,
        torvalds@...ux-foundation.org, mulix@...ix.org,
        peterz@...radead.org, iommu@...ts.linux-foundation.org,
        mingo@...nel.org, linux-kernel@...r.kernel.org,
        lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com
Subject: x86/dma conversion for v4.17-rc1 breaks sound / sst-acpi (commit
 6e4bf5867783)

Christoph,

unfortunately, commit 6e4bf5867783 breaks sound on my Dell XPS13, see the
dmesg diff between fec777c385b6 and 6e4bf5867783:

-sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels
-haswell-pcm-audio haswell-pcm-audio: Direct firmware load for intel/IntcPP01.bin failed with error -2
-haswell-pcm-audio haswell-pcm-audio: fw image intel/IntcPP01.bin not available(-2)
-haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type 01, - version: 00.00, build 77, source commit id: 876ac6906f31a43b6772b23c7c983ce9dcb18a19
-broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> System Pin mapping ok
-broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload0 Pin mapping ok
-broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Offload1 Pin mapping ok
-broadwell-audio broadwell-audio: snd-soc-dummy-dai <-> Loopback Pin mapping ok
-broadwell-audio broadwell-audio: rt286-aif1 <-> snd-soc-dummy-dai mapping ok
-input: broadwell-rt286 Headset as /devices/pci0000:00/INT3438:00/broadwell-audio/sound/card1/input15
+broadwell-audio broadwell-audio: ASoC: CPU DAI System Pin not registered

So it seems that sst-acpi is unhappy with this patch. Any ideas?

Thanks,
	Dominik

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