I'm actually at this state now, too (kernel 4.4.6 r7), but I haven't looked into making sure the ALSA (asound) config is correct yet.
> On Apr 5, 2016, at 01:40 , [email protected] wrote: > > Hey, did you manage to make it work? > I have beaglebone ubuntu 4.1.18-ti-r56. > > if I put BB-BONE-AUDI-00A0-02.dts from > https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-BONE-AUDI-02-00A0.dts > my cape is not detected but if i put this device tree: > > http://elinux.org/BBB_Audio_Cape_RevB_Getting_Started > > it is detected: > > **** List of PLAYBACK Hardware Devices **** > card 0: EVM [DA830 EVM], device 0: AIC3X tlv320aic3x-hifi-0 [] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > but cannot play: > > ubuntu ~/microphone $ aplay bonjour.wav > Playing WAVE 'bonjour.wav' : Signed 16 bit Little Endian, Rate 16000 Hz, Mono > aplay: set_params:1145: Unable to install hw params: > ACCESS: RW_INTERLEAVED > FORMAT: S16_LE > SUBFORMAT: STD > SAMPLE_BITS: 16 > FRAME_BITS: 16 > CHANNELS: 1 > RATE: 16000 > PERIOD_TIME: 125000 > PERIOD_SIZE: 2000 > PERIOD_BYTES: 4000 > PERIODS: 4 > BUFFER_TIME: 500000 > BUFFER_SIZE: 8000 > BUFFER_BYTES: 16000 > TICK_TIME: 0 > > > please help. > thanks > > Le lundi 3 août 2015 23:04:37 UTC+8, Alex a écrit : > Ok, > > some news : > > I find out where it's blocked : > > I've compiled the alsa-lib, and I've put a lot of printf. > > In the file pcm.c, in the function : snd_pcm_wait_nocheck > > This line : err_poll = poll(pfd, npfds, timeout); > > is called, but I never go out .... > > my trace show : > > struct pollfd *pfd: 0xbed64780, npfds: 1, timeout: -1 > > I don't know if it's ok ? > > Micka, > > > > Le lun. 3 août 2015 à 09:41, Micka <[email protected]> a écrit : > From what I see, it looks like that the alsa lib is calling multiple time > SNDRV_PCM_IOCTL_SYNC_PTR > > And it's not calling SNDRV_PCM_IOCTL_WRITEN_FRAMES .... > > Robert, I'm having issue to find out the version of alsa lib, do you have any > idea ? > > Maybe I'm going to compile it > > Le lun. 3 août 2015 à 08:58, Micka <[email protected]> a écrit : > Hi, > > Thx to this site : > http://www.programdevelop.com/4763397/ > > I understand better the flow of ALSA :) > > this is my new log : > > [ 84.688930] snd_soc_dai_digital_mute 0 0 > [ 84.689000] snd_pcm_playback_ioctl > [ 84.689032] snd_pcm_playback_ioctl1 3229892899 > [ 84.689057] call snd_pcm_common_ioctl1 > [ 84.689084] snd_pcm_common_ioctl1 3229892899 > [ 84.689109] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.689624] snd_pcm_playback_ioctl > [ 84.689664] snd_pcm_playback_ioctl1 3228057875 > [ 84.689689] call snd_pcm_common_ioctl1 > [ 84.689715] snd_pcm_common_ioctl1 3228057875 > [ 84.695219] snd_pcm_playback_ioctl > [ 84.695269] snd_pcm_playback_ioctl1 3229892899 > [ 84.695296] call snd_pcm_common_ioctl1 > [ 84.695322] snd_pcm_common_ioctl1 3229892899 > [ 84.695347] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.695400] snd_pcm_playback_ioctl > [ 84.695427] snd_pcm_playback_ioctl1 3229892899 > [ 84.695451] call snd_pcm_common_ioctl1 > [ 84.695476] snd_pcm_common_ioctl1 3229892899 > [ 84.695499] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.696332] snd_pcm_playback_ioctl > [ 84.696364] snd_pcm_playback_ioctl1 3229892899 > [ 84.696389] call snd_pcm_common_ioctl1 > [ 84.696414] snd_pcm_common_ioctl1 3229892899 > [ 84.696438] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.696474] snd_pcm_playback_ioctl > [ 84.696501] snd_pcm_playback_ioctl1 3229892899 > [ 84.696524] call snd_pcm_common_ioctl1 > [ 84.696548] snd_pcm_common_ioctl1 3229892899 > [ 84.696572] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.729249] snd_pcm_playback_ioctl > [ 84.729289] snd_pcm_playback_ioctl1 3229892899 > [ 84.729303] call snd_pcm_common_ioctl1 > [ 84.729317] snd_pcm_common_ioctl1 3229892899 > [ 84.729329] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.729355] snd_pcm_playback_ioctl > [ 84.729368] snd_pcm_playback_ioctl1 3229892899 > [ 84.729378] call snd_pcm_common_ioctl1 > [ 84.729390] snd_pcm_common_ioctl1 3229892899 > [ 84.729401] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.729787] snd_pcm_playback_ioctl > [ 84.729801] snd_pcm_playback_ioctl1 3229892899 > [ 84.729812] call snd_pcm_common_ioctl1 > [ 84.729824] snd_pcm_common_ioctl1 3229892899 > [ 84.729835] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.729852] snd_pcm_playback_ioctl > [ 84.729865] snd_pcm_playback_ioctl1 3229892899 > [ 84.729875] call snd_pcm_common_ioctl1 > [ 84.729887] snd_pcm_common_ioctl1 3229892899 > [ 84.729898] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.731902] snd_pcm_playback_ioctl > [ 84.731914] snd_pcm_playback_ioctl1 3229892899 > [ 84.731925] call snd_pcm_common_ioctl1 > [ 84.731937] snd_pcm_common_ioctl1 3229892899 > [ 84.731947] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.731962] snd_pcm_playback_ioctl > [ 84.731974] snd_pcm_playback_ioctl1 3229892899 > [ 84.731984] call snd_pcm_common_ioctl1 > [ 84.731996] snd_pcm_common_ioctl1 3229892899 > [ 84.732007] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.732314] snd_pcm_playback_ioctl > [ 84.732328] snd_pcm_playback_ioctl1 3229892899 > [ 84.732338] call snd_pcm_common_ioctl1 > [ 84.732350] snd_pcm_common_ioctl1 3229892899 > [ 84.732361] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.732375] snd_pcm_playback_ioctl > [ 84.732387] snd_pcm_playback_ioctl1 3229892899 > [ 84.732398] call snd_pcm_common_ioctl1 > [ 84.732410] snd_pcm_common_ioctl1 3229892899 > [ 84.732421] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.734421] snd_pcm_playback_ioctl > [ 84.734434] snd_pcm_playback_ioctl1 3229892899 > [ 84.734444] call snd_pcm_common_ioctl1 > [ 84.734456] snd_pcm_common_ioctl1 3229892899 > [ 84.734467] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.734481] snd_pcm_playback_ioctl > [ 84.734493] snd_pcm_playback_ioctl1 3229892899 > [ 84.734503] call snd_pcm_common_ioctl1 > [ 84.734515] snd_pcm_common_ioctl1 3229892899 > [ 84.734526] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.734826] snd_pcm_playback_ioctl > [ 84.734839] snd_pcm_playback_ioctl1 3229892899 > [ 84.734850] call snd_pcm_common_ioctl1 > [ 84.734862] snd_pcm_common_ioctl1 3229892899 > [ 84.734872] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.734887] snd_pcm_playback_ioctl > [ 84.734899] snd_pcm_playback_ioctl1 3229892899 > [ 84.734909] call snd_pcm_common_ioctl1 > [ 84.734921] snd_pcm_common_ioctl1 3229892899 > [ 84.734932] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.734974] snd_pcm_playback_ioctl > [ 84.734987] snd_pcm_playback_ioctl1 3229892899 > [ 84.734998] call snd_pcm_common_ioctl1 > [ 84.735010] snd_pcm_common_ioctl1 3229892899 > [ 84.735020] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.735034] snd_pcm_playback_ioctl > [ 84.735046] snd_pcm_playback_ioctl1 16706 > [ 84.735057] call snd_pcm_common_ioctl1 > [ 84.735068] snd_pcm_common_ioctl1 16706 > [ 84.735080] --SNDRV_PCM_IOCTL_START: > [ 84.735096] snd_pcm_do_start > [ 84.735108] soc_pcm_trigger > [ 84.737206] snd_pcm_playback_ioctl > [ 84.737221] snd_pcm_playback_ioctl1 3229892899 > [ 84.737232] call snd_pcm_common_ioctl1 > [ 84.737244] snd_pcm_common_ioctl1 3229892899 > [ 84.737254] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.737280] snd_pcm_playback_ioctl > [ 84.737293] snd_pcm_playback_ioctl1 3229892899 > [ 84.737303] call snd_pcm_common_ioctl1 > [ 84.737315] snd_pcm_common_ioctl1 3229892899 > [ 84.737326] SNDRV_PCM_IOCTL_SYNC_PTR: > [ 84.747620] snd_pcm_playback_ioctl > [ 84.747647] snd_pcm_playback_ioctl1 3229892899 > [ 84.747660] call snd_pcm_common_ioctl1 > [ 84.747673] snd_pcm_common_ioctl1 3229892899 > [ 84.747685] SNDRV_PCM_IOCTL_SYNC_PTR: > > Le ven. 31 juil. 2015 à 14:27, <[email protected]> a écrit : > Hi Micka > > > looks like that my config is good ..... But I can't figure out, where i'm > > blocked .... > > I am having the same problem with 4.1.0 > > > Do you know who call the function soc_pcm_prepare ? > > http://lxr.free-electrons.com/source/sound/soc/soc-pcm.c#L698 > > I will try and repeat the same exercise but it will be early next week. > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- Rick Mann [email protected] -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
