Hello,
Onda obook 20 plus tablet, Fedora 27, kernel 4.13.16-302.fc27.x86_64:
[ 8.910172] bytcht_es8316 bytcht_es8316: ASoC: CODEC DAI ES8316 HiFi not registered [ 8.910306] bytcht_es8316 bytcht_es8316: snd_soc_register_card failed -517
kernel 4.14.3-300.fc27.x86_64:
[ 8.561159] rt5645 i2c-10EC5645:00: Device with ID register 0xffff8d85 is not rt5645 or rt5650 [ 9.344562] cht-bsw-rt5645 cht-bsw-rt5645: ASoC: CODEC DAI rt5645-aif1 not registered [ 9.344695] cht-bsw-rt5645 cht-bsw-rt5645: snd_soc_register_card failed -517
On both kernels snd_soc_sst_byt_cht_es8316 and snd_soc_es8316 modules are loaded automatically. How to make audio work?
dmesg from Android 5.1 kernel 3.14.37-x86_64:
<3>[ 3.900404] snd_intel_sst: sst_platform_get_resources_edk <3>[ 3.900442] snd_intel_sst: LPE base: 0xd1600000 size:0x200000 <3>[ 3.900452] snd_intel_sst: IRAM base: 0xd16c0000 <3>[ 3.900461] snd_intel_sst: DRAM base: 0xd1700000 <3>[ 3.900535] snd_intel_sst: SHIM base: 0xd1740000 <3>[ 3.900547] snd_intel_sst: Mailbox base: 0xd1744000 <3>[ 3.900720] snd_intel_sst: DDR base: 0x20000000 <6>[ 3.900720] snd_intel_sst: Enter: sst_audio_platform_init <6>[ 3.900723] snd_intel_sst: audio:set_cht_platform_config <6>[ 3.900958] snd_soc_sst_platform: sst_platform_probe is deferred <3>[ 3.900977] snd_intel_sst: board_name:Cherry Trail CR <6>[ 3.900979] snd_intel_sst: Registering machine device cht_es8316 <3>[ 3.901147] snd_intel_sst: Requesting FW fw_sst_22a8.bin now... <6>[ 3.986899] snd_soc_sst_platform: sst_platform_probe is deferred <6>[ 4.260819] snd_soc_sst_platform: sst_platform_probe is deferred <6>[ 4.262978] snd_soc_sst_platform: sst_platform_probe is deferred <6>[ 4.696961] snd_soc_sst_platform: sst_platform_probe is deferred <6>[ 7.361346] snd_soc_sst_platform: sst_platform_probe is deferred <6>[ 7.373893] snd_soc_sst_platform: sst_platform_probe is deferred <3>[ 7.374140] cht_es8316 cht_es8316: ASoC: CPU DAI Headset-cpu-dai not registered <3>[ 7.382393] snd_soc_register_card failed -517 <6>[ 7.387358] platform cht_es8316: Driver cht_es8316 requests probe deferral <6>[ 7.387542] Cherrytrail Machine Driver cht_es8316 registerd <7>[ 10.604513] ---es8316_probe--start-- <4>[ 10.695451] snd-soc-dummy snd-soc-dummy: ASoC: Failed to create platform debugfs directory <3>[ 10.706037] chuangang:********************************* codec->name = es8316.1-0011 <6>[ 10.739210] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> Headset-cpu-dai mapping ok <6>[ 10.739332] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> Deepbuffer-cpu-dai mapping ok <6>[ 10.739410] compress asoc: snd-soc-dummy-dai <-> Compress-cpu-dai mapping ok <6>[ 10.739530] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> Voip-cpu-dai mapping ok <6>[ 10.739656] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> Lowlatency-cpu-dai mapping ok <6>[ 10.740017] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> Probe-cpu-dai mapping ok <6>[ 10.740253] cht_es8316 cht_es8316: ES8316 HiFi <-> ssp2-port mapping ok <6>[ 10.740321] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> snd-soc-dummy-dai mapping ok <6>[ 10.740388] cht_es8316 cht_es8316: snd-soc-dummy-dai <-> snd-soc-dummy-dai mapping ok <3>[ 10.740503] cht_es8316 cht_es8316: ASoC: Failed to add Headphone Switch: -16 <7>[ 10.748616] es8316_set_dai_fmt----649, fmt[4305] <7>[ 10.750744] es8316 in slave mode <7>[ 10.763965] es8316 1-0011: es8316_set_bias_level standby <6>[ 10.792289] input: cherrytrailaud Headset Jack as /devices/platform/cht_es8316/sound/card1/input10 <6>[ 10.795340] snd_cht_mc_probe successful <6>[ 11.568221] ES8316_GPIO_FLAG:26
Regards, Nerijus