Running Debian 8.1 with a locally built (and now booting) am33x-v4.1. Audio
cape is in physically place but not detected. Dmesg etc follows. There is
nothing in /sys/devices/bone_capemgr* either. Aplay, not surprisingly, shows
no audio devices available which (I presume) means HDMI audio has been
disabled.

 

What am I missing?

 

TVMIA.

 

-----------------------------------snip-------------------------------------
-

debian@arm:~$ uname -a

Linux arm 4.1.0-bone9 #1 Wed Jun 24 13:58:41 BST 2015 armv7l GNU/Linux

 

-----------------------------------snip-------------------------------------
-

[    0.000000] Kernel command line: console=tty0 console=ttyO0,115200n8
capemgr.disable_partno=BB-BONELT-

HDMI root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait fixrtc

[    4.093153] bone_capemgr bone_capemgr: Baseboard:
'A335BNLT,0A5A,1813BBBK1668'

[    4.100759] bone_capemgr bone_capemgr:
compatible-baseboard=ti,beaglebone-black - #slots=4

[    4.162893] bone_capemgr bone_capemgr: slot #0: No cape found

[    4.222876] bone_capemgr bone_capemgr: slot #1: No cape found

[    4.282874] bone_capemgr bone_capemgr: slot #2: No cape found

[    4.342874] bone_capemgr bone_capemgr: slot #3: No cape found

[    4.348958] bone_capemgr bone_capemgr: initialized OK.

 

-----------------------------------snip-------------------------------------
-

debian@arm:~$ ls /boot/dtbs

4.1.0-bone9

debian@arm:~$ ls /boot/dtbs/4.1.0-bone9/

am335x-arduino-tre.dtb                am335x-boneblack-universal.dtb

am335x-base0033.dtb                   am335x-boneblack-wl1835mod.dtb

am335x-bone-can0.dtb                  am335x-boneblack.dtb

am335x-bone-cape-bone-argus.dtb       am335x-bonegreen.dtb

am335x-bone.dtb                       am335x-chiliboard.dtb

am335x-boneblack-bbb-exp-c.dtb        am335x-evm.dtb

am335x-boneblack-bbb-exp-r.dtb        am335x-evmsk.dtb

am335x-boneblack-can0.dtb             am335x-lxm.dtb

am335x-boneblack-cape-bone-argus.dtb  am335x-nano.dtb

am335x-boneblack-overlay.dtb          am335x-pepper.dtb

am335x-boneblack-replicape.dtb

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