lokowich wrote: > > > Vova Barinov wrote: >> Mark Brown wrote: >> >>> On Fri, Mar 28, 2008 at 09:27:04AM -0500, lokowich wrote: >>> >>> >>> >>>> Forwarded from davinci-linux-open-source list: >>>> >>>> >>> CCing in Vladimir Barinov who contributed the DaVinci support. >>> >>> >>> >>>> I've built this ASoC patch into my DaVinci git kernel (thanks for the >>>> SENSORS tip), and can use aplay and speaker-test, but no sound. Figured >>>> it may be a mixer/volume control issue, but the alsamixer is unable to >>>> open for a failed ioctl on USBDEVFS_IOCTL. Not sure why there is a USB >>>> dependency. Noted that there is no /sys/class/sound/mixer in my sysfs. >>>> Any ideas? >>>> >>>> >> How do you figure out that you can play sound? >> Also what platform do you use - is it Davinci-EVM? what line output do >> you use to hear the sound? >> Please, post your dmesg log and cat /proc/interrupts too. >> > > Excerpt from dmesg: > Advanced Linux Sound Architecture Driver Version 1.0.16. > ASoC version 0.13.2 > AIC3X Audio Codec 0.1 > asoc: aic3x <-> davinci-i2s mapping ok > ALSA device list: > #0: DaVinci EVM (aic3x) > > /proc/interrupts: > CPU0 > 6: 0 AINTC dm644xresizer > 8: 23608 AINTC davincifb > 13: 6995 AINTC EMAC > 22: 107 AINTC ide0 > 32: 39436 AINTC clockevent > 33: 3 AINTC free-run counter > 39: 217 AINTC i2c_davinci > 40: 204 AINTC serial > Err: 0 > Sorry for the late response. I don't see EDMA interrupts. So it seems that you have no i2s transfers between codec and SoC. > > > This is the DM6446 EVM. Note, my kernel has been patched with > latest ALSA, to no avail. I hear the DAC pop during > initialization on both the Line Out and Headphone jacks. > >>> It might be helpful to post dmesg output showing the sound support >>> being loaded >>> >>> >>>> Bernard Blackham wrote: >>>> >>>> >>>>> Behme wrote: >>>>> >>>>> >>>>> >>>>>> While searching something different, I just found >>>>>> >>>>>> http://www.spinics.net/lists/alsa-devel/msg12535.html >>>>>> >>>>>> As I'm not subscribed to alsa-devel, I don't have the original post. >>>>>> Maybe any of the authors can post it do this list as well? >>>>>> >>>>>> The patch mainly applies to our git. I fixed two small rejects in >>>>>> Kconfig and Makefile as the patch is for newer kernel than our git. >>>>>> Untested patch against our git in attachment. Anybody likes to test? >>>>>> >>>>>> >>>>>> >>>>> Well, I tried compiling it and it failed to build. It appears that it's >>>>> built on a set of patches for Davinci posted to LAK, including this >>>>> completely revamped EDMA support[1]: >>>>> >>>>> http://www.spinics.net/lists/arm-kernel/msg47450.html >>>>> >>>>> >> Yep, it's needed. >> >>>>> So I had to change a few definitions, import a few functions from the new >>>>> DMA support and managed to get it compiling and loading, but not yet working >>>>> (tried various sample rates and formats): >>>>> >>>>> root@davinci-dvevm:/tst$ aplay test.wav >>>>> Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo >>>>> ALSA lib pcm_params.c:2152:(snd_pcm_hw_refine_slave) Slave PCM not usable >>>>> aplay: set_params:878: Broken configuration for this PCM: no configurations >>>>> available >>>>> >>>>> root@davinci-dvevm:/tst$ arecord -r 48000 -f S16_LE >>>>> Recording WAVE 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono >>>>> ALSA lib pcm_params.c:2152:(snd_pcm_hw_refine_slave) Slave PCM not usable >>>>> arecord: set_params:878: Broken configuration for this PCM: no >>>>> configurations available >>>>> >>>>> >>>>> And this is the extent of my knowledge of ALSA - I can continue digging, but >>>>> maybe somebody else will beat me to it =) It's looking promising though. >>>>> >>>>> Attached is the patch I have so far that applies against current git. This >>>>> is not for going upstream, but just for testing. Notes: >>>>> - Apply patch >>>>> - Enable SND_SOC, SND_DAVINCI_SOC, SND_DAVINCI_SOC_I2S, SND_DAVINCI_SOC_EVM >>>>> and SND_SOC_TLV320AIC3X. >>>>> - Make sure CONFIG_I2C_DAVINCI is enabled, but disable the >>>>> CONFIG_SENSORS_TLV320* options. >>>>> - Build. >>>>> - Load the snd-soc-evm module. >>>>> >>>>> Bernard. >>>>> >>>>> [1] These patches appear to have gone absolutely nowhere beyond that list. I >>>>> can't find them in any tree. But they are cleaner and more conforming to the >>>>> Linux Kernel style than what's currently in git. >>>>> >>>>> >>>>> ------------------------------------------------------------------------ >>>>> >>>>> _______________________________________________ >>>>> Davinci-linux-open-source mailing list >>>>> Davinci-linux-open-source@xxxxxxxxxxxxxxxxxxxx >>>>> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source >>>>> >>>>> >>>>> >>>> _______________________________________________ >>>> Alsa-devel mailing list >>>> Alsa-devel@xxxxxxxxxxxxxxxx >>>> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel >>>> >>>> >>>> >>> >>> >> >> _______________________________________________ >> Alsa-devel mailing list >> Alsa-devel@xxxxxxxxxxxxxxxx >> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel >> >> >> _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
