[PATCH v3 2/4] pwm: rockchip: Allow polarity invert on rk3288

[Dmitry Torokhov]

On August 20, 2014 1:54:11 PM CDT, Doug Anderson <dianders at chromium.org> wrote:
>On Wed, Aug 20, 2014 at 3:04 AM, Thierry Reding
><thierry.reding at gmail.com> wrote:
>> On Tue, Aug 19, 2014 at 09:07:54AM -0700, Doug Anderson wrote:
>>> The rk3288 has the ability to invert 
>>> +     struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);
>>> +
>>> +     if (!pc->data->has_invert)
>>> +             return -ENOSYS;
>>> +

At the kernel summit hpa also mentioned that ENOSYS should only be used for missing syscalls. Not sure what error code would suit better here though...


Thanks.

-- 
Dmitry