>
>
> *Keep in mind I'm on 4.4.7-bone-rt-r9, not 4.1.x. Dunno if that matters.*


We're trying to determine that here. Were you able to get the audio cape
loaded at all with a 4.1.x kernel ? We really do not want to move outside
of a "stable" kernel if at all possible.

On Wed, Apr 20, 2016 at 2:31 PM, Rick Mann <rm...@latencyzero.com> wrote:

> Keep in mind I'm on 4.4.7-bone-rt-r9, not 4.1.x. Dunno if that matters.
>
> > On Apr 20, 2016, at 14:25 , William Hermans <yyrk...@gmail.com> wrote:
> >
> > Just playing along here . . . I thought maybe HDMI had to be loaded to
> load the audio cape, but seems not. I'm going to start over with a fresh
> dts file and load the same one as evilwulfie to see if I can get to the
> bottom of things.
> >
> > william@beaglebone:~$ sudo sh -c "echo 'BB-BONE-AUDI-02' >
> /sys/devices/platform/bone_capemgr/slots"
> > william@beaglebone:~$ cat /sys/devices/platform/bone_capemgr/slots
> >  0: PF----  -1
> >  1: PF----  -1
> >  2: PF----  -1
> >  3: PF----  -1
> >  5: P-O-L-   0 Override Board Name,00A0,Override Manuf,WH-UART5
> > william@beaglebone:~$ dmesg | grep BB-BONE-AUDI-02
> > [66985.108405] bone_capemgr bone_capemgr: part_number 'BB-BONE-AUDI-02',
> version 'N/A'
> > [66985.128912] bone_capemgr bone_capemgr: slot #6: 'Override Board
> Name,00A0,Override Manuf,BB-BONE-AUDI-02'
> >
> >
> > On Wed, Apr 20, 2016 at 2:15 PM, evilwulfie <evilwul...@gmail.com>
> wrote:
> > very interesting. after removing the eDMA fix and recompiling we still
> cant load the audio cape
> >
> > sudo cat /sys/kernel/debug/pinctrl/44e10800.pinmux/pinmux-pins
> >
> > stuff removed for clarity
> >
> >
> > pin 82 (44e10948.0): 4a101000.mdio (GPIO UNCLAIMED) function
> davinci_mdio_default group davinci_mdio_default
> > pin 83 (44e1094c.0): 4a101000.mdio (GPIO UNCLAIMED) function
> davinci_mdio_default group davinci_mdio_default
> >
> >
> > I think this is the reason.
> >
> >
> >
> >
> > On 4/20/2016 1:55 PM, Robert Nelson wrote:
> >>
> >>
> >> On Wed, Apr 20, 2016 at 3:45 PM, evilwulfie <evilwul...@gmail.com>
> wrote:
> >> I see that on 4.1.14-bone-rt-r17 kernel the edma fix is compiled into
> >> the am335x-boneblack-emmc-overlay.dtb resulting in
> >> any audio cape overlay not loading.
> >>
> >> so i guess i can grab this file
> >>
> https://github.com/beagleboard/linux/blob/4.1/arch/arm/boot/dts/am335x-boneblack-emmc-overlay.dts
> >>
> >> but i have no idea how to complie it and what paths i need to include to
> >> get it to complie
> >>
> >> it's easy, there is a whole repo setup to just do that..
> >>
> >> git clone -b 4.1.x https://github.com/RobertCNelson/dtb-rebuilder
> >> cd ./dtb-rebuilder/
> >>
> >> make/sudo make install/etc...
> >>
> >> I am wondering why that *fix* was needed and why it wants to enable the
> >> davinci_mdio_default pins so we cant enable audio overlays
> >>
> >> oh it's been discussed on this list before, there was a specific case
> it needed to be enabled by default to fix a case..
> >>
> >> and the "fix" was pushed to the repo, before we got the that audio cape.
> >>
> >> Regards,
> >>
> >> --
> >> Robert Nelson
> >> https://rcn-ee.com/
> >> --
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> >
> >       Virus-free. www.avast.com
> >
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> --
> Rick Mann
> rm...@latencyzero.com
>
>
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