[Linux] le son sur un chromebook asus

[Bernard Schoenacker]

bonjour,

j'essaye d'obtenir une sortie audio sur un chromebook asus
et je n'y arrive pas ...

voici les caractéristiques :

 aplay -l
**** Liste des Périphériques Matériels PLAYBACK ****
carte 0: bytcrrt5640 [bytcr-rt5640], périphérique 0: Baytrail Audio (*) []
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 0: bytcrrt5640 [bytcr-rt5640], périphérique 1: Deep-Buffer Audio (*) []
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: Audio [Intel HDMI/DP LPE Audio], périphérique 0: HdmiLpeAudio [Intel HDMI/DP LPE Audio]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 1: Audio [Intel HDMI/DP LPE Audio], périphérique 1: HdmiLpeAudio [Intel HDMI/DP LPE Audio]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0
carte 2: Device [USB Audio Device], périphérique 0: USB Audio [USB Audio]
  Sous-périphériques: 1/1
  Sous-périphérique #0: subdevice #0

 grep intel_sst_acpi /var/log/kern.log 

Sep 22 13:29:26 saga kernel: [    8.381355] intel_sst_acpi 80860F28:00: Detected Baytrail-CR platform
Sep 22 13:29:26 saga kernel: [    8.382222] intel_sst_acpi 80860F28:00: LPE base: 0x50a00000 size:0x200000
Sep 22 13:29:26 saga kernel: [    8.382228] intel_sst_acpi 80860F28:00: IRAM base: 0x50ac0000
Sep 22 13:29:26 saga kernel: [    8.382263] intel_sst_acpi 80860F28:00: DRAM base: 0x50b00000
Sep 22 13:29:26 saga kernel: [    8.382274] intel_sst_acpi 80860F28:00: SHIM base: 0x50b40000
Sep 22 13:29:26 saga kernel: [    8.382283] intel_sst_acpi 80860F28:00: Mailbox base: 0x50b44000
Sep 22 13:29:26 saga kernel: [    8.382292] intel_sst_acpi 80860F28:00: DDR base: 0x20000000
Sep 22 13:29:26 saga kernel: [    8.383493] intel_sst_acpi 80860F28:00: Got drv data max stream 25
Sep 22 13:29:26 saga kernel: [    8.393878] intel_sst_acpi 80860F28:00: firmware: direct-loading firmware intel/fw_sst_0f28.bin
Sep 22 14:13:06 saga kernel: [    8.437913] intel_sst_acpi 80860F28:00: Detected Baytrail-CR platform
Sep 22 14:13:06 saga kernel: [    8.438085] intel_sst_acpi 80860F28:00: LPE base: 0x50a00000 size:0x200000
Sep 22 14:13:06 saga kernel: [    8.438089] intel_sst_acpi 80860F28:00: IRAM base: 0x50ac0000
Sep 22 14:13:06 saga kernel: [    8.438120] intel_sst_acpi 80860F28:00: DRAM base: 0x50b00000
Sep 22 14:13:06 saga kernel: [    8.438131] intel_sst_acpi 80860F28:00: SHIM base: 0x50b40000
Sep 22 14:13:06 saga kernel: [    8.438141] intel_sst_acpi 80860F28:00: Mailbox base: 0x50b44000
Sep 22 14:13:06 saga kernel: [    8.438160] intel_sst_acpi 80860F28:00: DDR base: 0x20000000
Sep 22 14:13:06 saga kernel: [    8.438282] intel_sst_acpi 80860F28:00: Got drv data max stream 25
Sep 22 14:13:06 saga kernel: [    8.454961] intel_sst_acpi 80860F28:00: firmware: direct-loading firmware intel/fw_sst_0f28.bin


journalctl -k | grep sst
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: Detected Baytrail-CR platform
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: LPE base: 0x50a00000 size:0x200000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: IRAM base: 0x50ac0000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: DRAM base: 0x50b00000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: SHIM base: 0x50b40000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: Mailbox base: 0x50b44000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: DDR base: 0x20000000
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: Got drv data max stream 25
sept. 22 14:13:03 saga kernel: intel_sst_acpi 80860F28:00: firmware: direct-loading firmware intel/fw_sst_0f28.bin

modification et prise en compte dans le fichier /etc/pulse/default.pa 

### fix for HDMI audio on Intel Compute Stick products STK1A32SC and STK1AW32SC
unload-module module-alsa-card
load-module module-alsa-sink device=hw:0,2


j'ai rebooté la machine et voici la suite :

journalctl -k |grep HDMI

sept. 22 17:18:30 saga kernel: i915 0000:00:02.0: HDMI-A-2: EDID is invalid
sept. 22 17:18:31 saga kernel: input: Intel HDMI/DP LPE Audio HDMI/DP,pcm=0 as /devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card1/input22
sept. 22 17:18:31 saga kernel: input: Intel HDMI/DP LPE Audio HDMI/DP,pcm=1 as /devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card1/input23

la suite :

sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: BIOS Routing: AIF2 connected
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: quirk IN1_MAP enabled
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: quirk MONO_SPEAKER enabled
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: quirk DIFF_MIC enabled
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: quirk SSP0_AIF2 enabled
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: quirk MCLK_EN enabled
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: snd-soc-dummy-dai <-> media-cpu-dai mapping ok
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: snd-soc-dummy-dai <-> deepbuffer-cpu-dai mapping ok
sept. 22 17:18:30 saga kernel: bytcr_rt5640 bytcr_rt5640: rt5640-aif2 <-> ssp0-port mapping ok

j'essaye de relancer pulseaudio :

 pulseaudio -D
E: [pulseaudio] main.c: Échec lors du démarrage du démon.


je commence à bouder ...

merci pour les tuyaux

slt
bernard