I just tested the mainline Linux kernel 3.19~rc7-vivid in Ubuntu 15.04
and the followings are the result.
$ dmesg -t | egrep "(audio|rt286|INT343)"
dmar: ACPI device "INT3438:00" under DMAR at fed91000 as 00:13.0
rt286 i2c-INT343A:00: Device with ID register ffff8802 is not rt286
sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels
input: DLL0665:01 06CB:76AD UNKNOWN as
/devices/pci0000:00/INT3433:00/i2c-1/i2c-DLL0665:01/0018:06CB:76AD.0001/input/input12
haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type
01, - version: 00.00, build 68, source commit id:
445e02b38dd3ac603ab1ffdc4785fbe589bfde31
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
platform broadwell-audio: Driver broadwell-audio requests probe deferral
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https://bugs.launchpad.net/bugs/1413446
Title:
Audio broken on 2015 XPS 13 (9343) in I2S mode in Ubuntu 14.10/15.04
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