hwmon: qpnp-adc: add battery thermistor mapping table for 8929 SKUL
Update battery thermistor mapping table for SKUL. Change-Id: I83143693af83ca2ae0af481878eba1ec16003ee8 Signed-off-by: Zhenhua Huang <zhenhuah@codeaurora.org>
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Zhenhua Huang
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660309ee81
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61ae5f5423
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@ -494,6 +494,60 @@ static const struct qpnp_vadc_map_pt adcmap_qrd_skue_btm_threshold[] = {
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{800, 398},
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};
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static const struct qpnp_vadc_map_pt adcmap_qrd_skul_btm_threshold[] = {
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{-200, 1515},
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{-180, 1492},
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{-160, 1467},
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{-140, 1441},
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{-120, 1413},
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{-100, 1386},
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{-80, 1357},
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{-60, 1327},
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{-40, 1296},
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{-20, 1264},
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{0, 1232},
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{20, 1200},
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{40, 1167},
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{60, 1134},
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{80, 1100},
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{100, 1050},
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{120, 1034},
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{140, 1000},
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{160, 967},
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{180, 935},
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{200, 903},
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{220, 871},
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{240, 840},
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{260, 810},
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{280, 780},
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{300, 751},
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{320, 723},
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{340, 696},
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{360, 670},
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{380, 645},
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{400, 620},
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{420, 597},
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{440, 574},
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{460, 552},
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{480, 531},
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{500, 512},
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{520, 492},
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{540, 474},
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{560, 457},
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{580, 440},
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{600, 425},
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{620, 410},
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{640, 396},
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{660, 383},
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{680, 370},
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{700, 358},
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{720, 347},
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{740, 336},
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{760, 326},
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{780, 311},
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{800, 307},
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};
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/* Voltage to temperature */
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static const struct qpnp_vadc_map_pt adcmap_100k_104ef_104fb[] = {
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{1758, -40},
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@ -1096,6 +1150,25 @@ int32_t qpnp_adc_scale_qrd_skue_batt_therm(struct qpnp_vadc_chip *chip,
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}
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EXPORT_SYMBOL(qpnp_adc_scale_qrd_skue_batt_therm);
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int32_t qpnp_adc_scale_qrd_skul_batt_therm(struct qpnp_vadc_chip *chip,
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int32_t adc_code,
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const struct qpnp_adc_properties *adc_properties,
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const struct qpnp_vadc_chan_properties *chan_properties,
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struct qpnp_vadc_result *adc_chan_result)
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{
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int64_t bat_voltage = 0;
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bat_voltage = qpnp_adc_scale_ratiometric_calib(adc_code,
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adc_properties, chan_properties);
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return qpnp_adc_map_temp_voltage(
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adcmap_qrd_skul_btm_threshold,
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ARRAY_SIZE(adcmap_qrd_skul_btm_threshold),
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bat_voltage,
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&adc_chan_result->physical);
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}
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EXPORT_SYMBOL(qpnp_adc_scale_qrd_skul_batt_therm);
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int32_t qpnp_adc_scale_smb_batt_therm(struct qpnp_vadc_chip *chip,
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int32_t adc_code,
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const struct qpnp_adc_properties *adc_properties,
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@ -174,6 +174,7 @@ static struct qpnp_vadc_scale_fn vadc_scale_fn[] = {
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[SCALE_QRD_SKUT1_BATT_THERM] = {qpnp_adc_scale_qrd_skut1_batt_therm},
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[SCALE_QRD_SKUC_BATT_THERM] = {qpnp_adc_scale_qrd_skuc_batt_therm},
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[SCALE_QRD_SKUE_BATT_THERM] = {qpnp_adc_scale_qrd_skue_batt_therm},
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[SCALE_QRD_SKUL_BATT_THERM] = {qpnp_adc_scale_qrd_skul_batt_therm},
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};
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static struct qpnp_vadc_rscale_fn adc_vadc_rscale_fn[] = {
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@ -259,6 +259,8 @@ enum qpnp_adc_channel_scaling_param {
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* btm parameters for SKUC
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* %SCALE_QRD_SKUE_BATT_THERM: Conversion to temperature(decidegC) based on
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* btm parameters for SKUE
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* %SCALE_QRD_SKUL_BATT_THERM: Conversion to temperature(decidegC) based on
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* btm parameters for SKUL
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* %SCALE_NONE: Do not use this scaling type.
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*/
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enum qpnp_adc_scale_fn_type {
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@ -277,6 +279,7 @@ enum qpnp_adc_scale_fn_type {
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SCALE_QRD_SKUT1_BATT_THERM,
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SCALE_QRD_SKUC_BATT_THERM,
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SCALE_QRD_SKUE_BATT_THERM,
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SCALE_QRD_SKUL_BATT_THERM,
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SCALE_NONE,
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};
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@ -1318,6 +1321,23 @@ int32_t qpnp_adc_scale_qrd_skue_batt_therm(struct qpnp_vadc_chip *dev,
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const struct qpnp_adc_properties *adc_prop,
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const struct qpnp_vadc_chan_properties *chan_prop,
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struct qpnp_vadc_result *chan_rslt);
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/**
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* qpnp_adc_scale_qrd_skul_batt_therm() - Scales the pre-calibrated digital output
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* of an ADC to the ADC reference and compensates for the
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* gain and offset. Returns the temperature in decidegC.
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* @dev: Structure device for qpnp vadc
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* @adc_code: pre-calibrated digital ouput of the ADC.
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* @adc_prop: adc properties of the pm8xxx adc such as bit resolution,
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* reference voltage.
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* @chan_prop: individual channel properties to compensate the i/p scaling,
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* slope and offset.
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* @chan_rslt: physical result to be stored.
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*/
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int32_t qpnp_adc_scale_qrd_skul_batt_therm(struct qpnp_vadc_chip *dev,
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int32_t adc_code,
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const struct qpnp_adc_properties *adc_prop,
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const struct qpnp_vadc_chan_properties *chan_prop,
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struct qpnp_vadc_result *chan_rslt);
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/**
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* qpnp_adc_scale_smb_batt_therm() - Scales the pre-calibrated digital output
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* of an ADC to the ADC reference and compensates for the
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