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