I found driver (byt_rt5642) and device (AMCR0F28:00) root@clock:/sys/bus/platform/drivers/byt_rt5642# ll total 0 lrwxrwxrwx 1 root root 0 Jan 4 19:32 AMCR0F28:00 -> ../../../../devices/platform/AMCR0F28:00 --w------- 1 root root 4096 Jan 4 19:32 bind --w------- 1 root root 4096 Jan 4 19:16 uevent --w------- 1 root root 4096 Jan 4 19:25 unbind echo "AMCR0F28:00" > unbind no console messages # ll > /dev/snd/pcmC0D0p -su: /dev/snd/pcmC0D0p: No such device # echo "AMCR0F28:00" > bind # ll > /dev/snd/pcmC0D0p ls: write error: File descriptor in bad state console messages after bind: [ 499.663886] Codec driver version 0.8.4 alsa 1.0.25 [ 499.663949] rt5640 2-001c: Failed to create debugfs directory [ 499.733602] mid_ssp: ssp_probe: SSP DAI: FCT ssp_probe enters for CPU_DAI 1 [ 499.733646] mid_ssp: ssp_probe: SSP DAI: FCT ssp_probe ssp_config ffff880037638000 [ 499.733667] mid_ssp: ssp_probe: SSP DAI: FCT ssp_probe enters for CPU_DAI 0 [ 499.733685] mid_ssp: ssp_probe: SSP DAI: FCT ssp_probe ssp_config ffff880037638080 [ 499.735282] byt_rt5642 AMCR0F28:00: rt5640-aif1 <-> Headset-cpu-dai mapping ok [ 499.735650] byt_rt5642 AMCR0F28:00: rt5640-aif2 <-> Voice-cpu-dai mapping ok [ 499.735976] compress asoc: rt5640-aif1 <-> Compress-cpu-dai mapping ok [ 499.736464] byt_rt5642 AMCR0F28:00: snd-soc-dummy-dai <-> ssp-bt-cpu-dai mapping ok [ 499.736856] byt_rt5642 AMCR0F28:00: snd-soc-dummy-dai <-> ssp-modem-cpu-dai mapping ok [ 499.743207] rt5640 2-001c: ASoC: mux INR Mux has no paths [ 499.743266] rt5640 2-001c: ASoC: mux INL Mux has no paths [ 499.762748] input: baytrailaudio Intel MID Audio Jack as /devices/platform/AMCR0F28:00/sound/card0/input11 [ 499.772751] snd_byt_bl_rt5642: snd_byt_mc_probe successful [ 499.772986] gpio-keys gpio-lesskey.1.auto: Failed to request GPIO 222, error -517 [ 499.773091] platform gpio-lesskey.1.auto: Driver gpio-keys requests probe deferral [ 499.773216] gpio-keys gpio-lesskey.2.auto: Failed to request GPIO 295, error -517 [ 499.773258] platform gpio-lesskey.2.auto: Driver gpio-keys requests probe deferral [ 499.773671] byt_aic31xx TIMC0F28:00: ASoC: Failed to create card debugfs directory [ 499.773724] byt_aic31xx TIMC0F28:00: ASoC: CODEC tlv320aic31xx-codec.2-0018 not registered [ 499.773744] snd_byt_cr_aic3100: snd_soc_register_card failed -517 Is It possible load external module or it is only waste of time? info on hardware: Hardware name: Insyde Hampoo/Type2 - Board Product Name, BIOS BYT-T-CR.07.30 04/01/2014 Tablet CHUWI VX8 3G ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
