I don't have the BBB connected at the moment, but if I don't get you the configuration by tonight, please feel free to email me again.
> On Apr 21, 2016, at 14:40 , Rafael Vega <conta...@rafaelvega.co> wrote: > > I've made some progress but I still can't get any sound from the codec. I > tried the two approaches suggested by Rick M earlier on this thread: > > 1) To use this dtb by Rick M and the audio cape overlay, and 2) to use this > dtb (by RobertCNelson) with no overlay. In both cases I have the same > apparent outcome: I can see I2C and I2S signals being driven by the BBB when > I use aplay or speaker-test but I can't see any analog signal coming out of > the codec. > > I have played around with alsamixer, I have deleted > /var/lib/alsa/asound.state, used the one from here and no luck... > > I guess the next step would be to check the driver code and the codec > datasheet to try to figure out what might be wrong. I found the code for the > driver here (is that it?) but I have no experience in kernel-land development > so I'm not sure what the compiling/debugging workflow would be... My initial > questions are: > > 1. How do you compile and install the driver/module without recompiling and > installing the whole kernel? > 2. How does the driver code integrates with the device tree system? I can't > see anyting in the driver code that suggests it's taking values or it's > functions are being called from the dtb or the overlay. > 3. What is the simplest 'log' function callable from kernel land and where do > I see the output? > > Any advice on this would be appreciated! > > :) > > -- > 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 beagleboard+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/78d35232-c66d-49e8-841c-f77f99e5e368%40googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Rick Mann rm...@latencyzero.com -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/5FD85278-8E85-486A-A0C7-62C6CB95D83F%40latencyzero.com. For more options, visit https://groups.google.com/d/optout.
