drivers/hwmon/ina238.c

134 	int regval;
188 	err = regmap_read(data->regmap, reg, &regval);
197 		regval = (s16)regval;
200 			*val = (regval * INA238_SHUNT_VOLTAGE_LSB) /
203 			*val = (regval * INA238_BUS_VOLTAGE_LSB) / 1000;
207 		*val = !!(regval & mask);
218 	int regval;
227 		regval = clamp_val(val, -163, 163);
228 		regval = (regval * 1000 * (4 - data->gain + 1)) /
230 		regval = clamp_val(regval, S16_MIN, S16_MAX);
235 					    INA238_SHUNT_OVER_VOLTAGE, regval);
238 					    INA238_SHUNT_UNDER_VOLTAGE, regval);
244 		regval = clamp_val(val, 0, 102396);
245 		regval = (regval * 1000) / INA238_BUS_VOLTAGE_LSB;
246 		regval = clamp_val(regval, 0, S16_MAX);
251 					    INA238_BUS_OVER_VOLTAGE, regval);
254 					    INA238_BUS_UNDER_VOLTAGE, regval);
266 	int regval;
271 		err = regmap_read(data->regmap, INA238_CURRENT, &regval);
276 		*val = div_s64((s16)regval * INA238_FIXED_SHUNT * data->gain,
290 	int regval;
295 		err = ina238_read_reg24(data->client, INA238_POWER, &regval);
300 		power = div_u64(regval * 1000ULL * INA238_FIXED_SHUNT *
306 		err = regmap_read(data->regmap, INA238_POWER_LIMIT, &regval);
314 		power = div_u64((regval << 8) * 1000ULL * INA238_FIXED_SHUNT *
320 		err = regmap_read(data->regmap, INA238_DIAG_ALERT, &regval);
324 		*val = !!(regval & INA238_DIAG_ALERT_POL);
336 	long regval;
346 	regval = clamp_val(val, 0, LONG_MAX);
347 	regval = div_u64(val * 20ULL * data->rshunt,
349 	regval = clamp_val(regval >> 8, 0, U16_MAX);
351 	return regmap_write(data->regmap, INA238_POWER_LIMIT, regval);
357 	int regval;
362 		err = regmap_read(data->regmap, INA238_DIE_TEMP, &regval);
367 		*val = ((s16)regval >> 4) * INA238_DIE_TEMP_LSB;
370 		err = regmap_read(data->regmap, INA238_TEMP_LIMIT, &regval);
375 		*val = ((s16)regval >> 4) * INA238_DIE_TEMP_LSB;
378 		err = regmap_read(data->regmap, INA238_DIAG_ALERT, &regval);
382 		*val = !!(regval & INA238_DIAG_ALERT_TMPOL);
394 	int regval;
400 	regval = (val / INA238_DIE_TEMP_LSB) << 4;
401 	regval = clamp_val(regval, S16_MIN, S16_MAX) & 0xfff0;
403 	return regmap_write(data->regmap, INA238_TEMP_LIMIT, regval);