On Fri, 2009-11-20 at 02:19 +0800, Wu wrote: [...] > + > +#ifdef APM_EMULATION This should be CONFIG_APM_EMULATION. > + apm_get_power_status = yeeloong_apm_get_power_status; > +#endif > + return 0; > +} > + > +static void yeeloong_apm_exit(void) > +{ > +} > + Regards, Wu Zhangjin