On 14/8/2017 23:32, Andy Shevchenko wrote: > On Mon, Aug 14, 2017 at 5:17 PM, Hao Wei Tee <angelsl@xxxxxxx> wrote: >> This exposes the battery conservation mode present on some (?) IdeaPads. >> The mode is set by calling ACPI method SBMC with argument 3 (on) or >> 5 (off). Status is reported in bit 5 of the return value of ACPI method >> GBMD. > > Thanks for an update, this looks pretty much good! > > Still some kind of nitpicks below. > >> +#define GBMD_CONSERVATION_BIT (5) > >> +enum { >> + SBMC_CONSERVATION_ON = 3, >> + SBMC_CONSERVATION_OFF = 5, > > Looks to me like > GBMD = Get BM Data > SBMC = Send BM Command > > Thus, I would leave BM only in the above (do you know by the way what > BM stands for? Now that you mention it, it might stand for battery management. -- Hao Wei