[alsa-devel] [PATCH 0/3] ASoC: Intel: Add support for surface3 tablet

[Bastien Nocera]

On Wed, 2016-07-20 at 09:05 -0600, Stephen J wrote:
> On Jul 20, 2016 8:48 AM, "Bastien Nocera" <hadess at hadess.net> wrote:
> >
> > On Fri, 2016-07-08 at 15:39 +0530, Vinod Koul wrote:
> > > Surface3 tablet is CHT based device which used RT5645 codec. But
> the
> > > ACPI ID
> > > is 10EC5640 which belong to RT5640 codec :(
> > > So we add quirk support to load cht-machine driver for surface
> tablet
> > > combination, add the ACPI id and DMI fix for jack detect in codec
> and
> > > finally machine update.
> > >
> > > This fixes Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=
> 9800
> > > 1
> > > Please verify and send your tested-by.
> >
> >
> > Did anyone test this?
> At least I did

Fair enough.

> > I get this output:
> > Jul 20 16:20:32 surface kernel: rt5640 i2c-10EC5640:00: Device with
> ID register 0x6308 is not rt5640/39
> > Jul 20 16:20:34 surface kernel: cht-bsw-rt5645 cht-bsw-rt5645: snd-
> soc-dummy-dai <-> media-cpu-dai mapping ok
> > Jul 20 16:20:34 surface kernel: cht-bsw-rt5645 cht-bsw-rt5645: snd-
> soc-dummy-dai <-> deepbuffer-cpu-dai mapping ok
> > Jul 20 16:20:34 surface kernel: compress asoc: snd-soc-dummy-dai <-
> > compress-cpu-dai mapping ok
> > Jul 20 16:20:34 surface kernel: cht-bsw-rt5645 cht-bsw-rt5645:
> rt5645-aif1 <-> ssp2-port mapping ok
> > Jul 20 16:20:34 surface kernel: input: chtrt5645 Headset as
> /devices/pci0000:00/808622A8:00/cht-bsw-rt5645/sound/card0/input25
> >
> > With the early warning telling me it's probably not going through
> the
> > quirks, though the rest of the output makes me think otherwise.
> Both rt5640 and rt5645 drivers pick up the sound chip, but only the
> correct one succeeds.

Good then.

> >
> > After PulseAudio starts I get:
> > Jul 20 16:20:40 surface pulseaudio[1315]: [pulseaudio] module-alsa-
> card.c: Failed to find a working profile.
> > Jul 20 16:41:32 surface pulseaudio[1315]: [pulseaudio] module.c:
> Failed to load module "module-alsa-card" (argument: "device_id="0"
> name="platform-cht-bsw-rt5645" card_name="alsa_card.platform-cht-bsw-
> rt5645" namereg_fail=false tsched=yes fixed_latency_range=no
> ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-
> udev-detect.discovered=1""): initialization failed.
> > Jul 20 16:20:40 surface kernel:  Audio Port: ASoC: no backend DAIs
> enabled for Audio Port
> > [and plenty more of that last line]
> >
> > $ journalctl -b | grep "Audio Port: ASoC: no backend DAIs enabled
> for Audio Port" | wc -l
> > 1802
> >
> > Ideas?
> Are you using the alsa-lib patch to add UCM configuration too [1]?
> Pulseaudio needs it to initialize properly (without other manual
> intervention described in the bugzilla ticket for these patches).
> [1] http://git.alsa-project.org/?p=alsa-lib.git;a=commit;h=b6c69d7067
> a1818e53da774bdbdc3023f299d579

Looks like I cocked up the patch application in my updated alsa-ucm
package. It works correctly afterwards, including the internal
microphone and speakers, and headset output (mic + headphones).

I also noticed that alsa-ucm isn't in the default Fedora package set.

Sorry about the spam.