On August 20, 2014 1:54:11 PM CDT, Doug Anderson <dianders@xxxxxxxxxxxx> wrote: >On Wed, Aug 20, 2014 at 3:04 AM, Thierry Reding ><thierry.reding@xxxxxxxxx> 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html