> > *Correct, don't add [#include "am33xx-overlay-edma-fix.dtsi > <https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4.x/src/arm/am33xx-overlay-edma-fix.dtsi>"**] > to the base dtb if your going to load the audio cape.* > > *I didn't in the example...* > > > *https://github.com/RobertCNelson/dtb-rebuilder/blob/4.1-ti/src/arm/am335x-boneblack-audio.dts > <https://github.com/RobertCNelson/dtb-rebuilder/blob/4.1-ti/src/arm/am335x-boneblack-audio.dts>* > > > *https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-boneblack-audio.dts > <https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-boneblack-audio.dts>* > > *But i didn't spell out why, but from your testing, you see why now. ;)* > > *Regards,* >
Robert, Does that mean the old bug will reinsert its self if that include file is omitted ? We're in a similar boat here using McASP( audio codec ) with UART, SPI, and I2C all at once too . . . On Tue, Apr 19, 2016 at 5:03 AM, Robert Nelson <robertcnel...@gmail.com> wrote: > > > On Tue, Apr 19, 2016 at 4:41 AM, Rick Mann <rm...@latencyzero.com> wrote: > >> The following .dtsi file: >> >> >> https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4.x/src/arm/am33xx-overlay-edma-fix.dtsi >> >> causes the mcasp davinci audio driver to load during boot, >> and prevents overlays (like BB-BONE-AUDI-02) from setting >> audio parameters. The result is hardware configuration errors >> when trying to use ALSA commands: >> >> > Unable to set hw params for playback: Invalid argument >> > Setting of hwparams failed: Invalid argument >> >> That .dtsi file enables spi0/1, and mcasp0/1. By removing >> the mcasp0/1 entries, the BB-BONE-AUDI-02 overlay is able >> to enable mcasp while configuring it properly, and allowing >> the driver to work. >> >> It's not clear to me how that file is an eDMA fix, nor why >> it enables mcasp. >> >> Here's the thread on the alsa-devel list where we figured it >> out: >> >> >> http://mailman.alsa-project.org/pipermail/alsa-devel/2016-April/107061.html >> >> Is the best way to report this problem here on the list like >> this, or to open an issue on github/dtb-rebuilder? >> >> Note that this is all with kernel 4.4.7-bone-rt-r9. Not sure >> to how many other versions it applies. >> > > Correct, don't add [#include "am33xx-overlay-edma-fix.dtsi > <https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4.x/src/arm/am33xx-overlay-edma-fix.dtsi>"] > to the base dtb if your going to load the audio cape. > > I didn't in the example... > > > https://github.com/RobertCNelson/dtb-rebuilder/blob/4.1-ti/src/arm/am335x-boneblack-audio.dts > > > https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-boneblack-audio.dts > > But i didn't spell out why, but from your testing, you see why now. ;) > > Regards, > > -- > Robert Nelson > https://rcn-ee.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/CAOCHtYipqhzvXgY_o7rmsN8tXAT%3Db7rjvzWn5JsQxCxBxFBX5w%40mail.gmail.com > <https://groups.google.com/d/msgid/beagleboard/CAOCHtYipqhzvXgY_o7rmsN8tXAT%3Db7rjvzWn5JsQxCxBxFBX5w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORq7FBo21%3DDtesQ2%3DH0wx1%3DSYxTZ7vNfF_tTpLEWXCfSyA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
