On Tue, 2017-08-22 at 07:57 +0200, Takashi Iwai wrote: > This patch adds the opregion driver for Dollar Cove TI PMIC on Intel > Cherry Trail devices. The patch is based on the original work by > Intel, found at: > https://github.com/01org/ProductionKernelQuilts > with many cleanups and rewrites. > > The driver is currently provided only as built-in to follow other > PMIC opregion drivers convention. > > The re-enumeration of devices at probe is required for fixing the > issues on HP x2 210 G2. See bug#195689. > > > +static int dc_ti_pmic_get_raw_temp(struct regmap *regmap, int reg) > +{ > + int temp_l, temp_h; > + > + if (regmap_read(regmap, reg, &temp_l) || > + regmap_read(regmap, reg - 1, &temp_h)) > + return -EIO; > + > + return temp_l | (temp_h & 0x3) << 8; > +} I'm not sure I understand this "- 1" part along with choice of l and h suffixes. Does it mean the register is big endian? -- Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
