On Thu, Apr 27, 2017 at 5:08 PM, Robert Nelson <robertcnel...@gmail.com> wrote:
> On Thu, Apr 27, 2017 at 5:04 PM, William Hermans <yyrk...@gmail.com> wrote:
>>
>>
>> On Thu, Apr 27, 2017 at 2:59 PM, William Hermans <yyrk...@gmail.com> wrote:
>>>
>>>
>>>
>>> On Thu, Apr 27, 2017 at 2:56 PM, Robert Nelson <robertcnel...@gmail.com>
>>> wrote:
>>>>
>>>> On Thu, Apr 27, 2017 at 4:55 PM, William Hermans <yyrk...@gmail.com>
>>>> wrote:
>>>> > @Robert,
>>>>
>>>> it works for gpio... so i wonder if we need to patch the pwm's kernel
>>>> permissions....
>>>
>>>
>>> Maybe, but if you have other things that are more important right now, I
>>> can look into this today / tonight, and give you a short term answer if no,
>>> then long term if yes.
>>
>>
>> Opps, didn't mean that to go directly to you only. Hate gmail sometimes . ..
>> Anyway, schematics to sift through, overlay to write . . . Not often I get
>> the chance to do work for the boss, and the community at the same time so .
>
> so pwm (pwmchip_sysfs_export), uses: device_create
>
> Whereas gpio (gpiod_export) uses: device_create_with_groups

https://lkml.org/lkml/2016/6/14/967

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

-- 
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