Thanks for your rapid response.

I did originally suspect it may already be included but a system wide 
search through folders did not reveal bb-bone-audi-02.dtbo file so I 
figured it wasn't included - I guess it has a different file name.

Would suggested fix be creating by own cape based on original dts and 
giving it a different name?

~C

On Sunday, March 22, 2015 at 10:38:14 PM UTC-5, RobertCNelson wrote:
>
> The issue is name collision.. That dtbo is already built into the kernel. 
> Also see
>
> http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Loading_custom_capes
>
> And search this list as we gone over it multiple times.
> On Mar 22, 2015 8:14 PM, "Colin Bester" <[email protected] <javascript:>> 
> wrote:
>
>> Adding to this;
>>
>> If I remove the compiled dtbo file from /lib/firmware directory and 
>> power-off/power-on the board running manual insert "echo BB-BONE-AUDI-02 > 
>> /sys/devices/bone_capemgr.9/slots" gives error write error: File Exists and 
>> dmesg shows BB-BONE-AUDI-02 conflict gpio1_19 (#3:BB-BONE-LCD4-01) where 
>> I expect it to throw error stating No such file or directory. I validated 
>> expected error by trying  
>>
>> echo BB-BONE-AUDI-03 > /sys/devices/bone_capemgr.9/slots which does give 
>> expected error of "write error: No such file or directory"
>>
>> On Sunday, March 22, 2015 at 9:57:06 PM UTC-5, Colin Bester wrote:
>>>
>>> In adding Audio Cape (BB-BONE-AUDI-02-00A0) to beaglebone black which 
>>> also has LCD4 mounted I receive a GPIO 19 conflict error.
>>>
>>> Looking at the dts file I see it has specified exclusive use for 
>>> gpio1_18 and gpio1_19. In the past I circumvented this error by commenting 
>>> these two pins out of the exclusive list and all works fine (doesn't appear 
>>> that these pwm pins are used by audio cape)
>>>
>>> Now I upgraded debian to 3.8.13-bone70 and in performing upgrade and 
>>> setting up new board I forgot to exclude these two pins from dts file 
>>> before compiling, only to see the conflict error again.
>>>
>>> My problem is that no matter what I do, (edit out pins, compile and copy 
>>> new dtbo to /lib/firmware), I keep getting the same conflict error. If I 
>>> edit the dts file and change the part number to something else and load it 
>>> manually it works so I know the change and compile is valid.
>>>
>>> It appears that my original compiled dtbo file is somehow being 
>>> cached/persisted through power off/power on and my updated dtbo is not 
>>> being 'seen'.
>>>
>>> I'd appreciate any suggestions on next steps.
>>>
>>> Colin
>>>
>>>  -- 
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