hwmon: qpnp-adc: add battery thermistor mapping table for skug
Since the new values of parameters including Rs1=30.3K,
Rs2=12.8K, Tcold=-15DegC and Thot=55DegC are used for
skug device, we add a new table accordingly.
CRs-fixed: 590617
Change-Id: If9e6b1103abd0fb40e98dabb0c75c5c9deb5cacc
Signed-off-by: Wu Fenglin <fenglinw@codeaurora.org>
diff --git a/drivers/hwmon/qpnp-adc-common.c b/drivers/hwmon/qpnp-adc-common.c
index 9e0be59..6a52aa3 100644
--- a/drivers/hwmon/qpnp-adc-common.c
+++ b/drivers/hwmon/qpnp-adc-common.c
@@ -238,6 +238,60 @@
{800, 549},
};
+static const struct qpnp_vadc_map_pt adcmap_qrd_skug_btm_threshold[] = {
+ {-200, 1338},
+ {-180, 1307},
+ {-160, 1276},
+ {-140, 1244},
+ {-120, 1213},
+ {-100, 1182},
+ {-80, 1151},
+ {-60, 1121},
+ {-40, 1092},
+ {-20, 1063},
+ {0, 1035},
+ {20, 1008},
+ {40, 982},
+ {60, 957},
+ {80, 933},
+ {100, 910},
+ {120, 889},
+ {140, 868},
+ {160, 848},
+ {180, 830},
+ {200, 812},
+ {220, 795},
+ {240, 780},
+ {260, 765},
+ {280, 751},
+ {300, 738},
+ {320, 726},
+ {340, 714},
+ {360, 704},
+ {380, 694},
+ {400, 684},
+ {420, 675},
+ {440, 667},
+ {460, 659},
+ {480, 652},
+ {500, 645},
+ {520, 639},
+ {540, 633},
+ {560, 627},
+ {580, 622},
+ {600, 617},
+ {620, 613},
+ {640, 608},
+ {660, 604},
+ {680, 600},
+ {700, 597},
+ {720, 593},
+ {740, 590},
+ {760, 587},
+ {780, 585},
+ {800, 582},
+};
+
/* Voltage to temperature */
static const struct qpnp_vadc_map_pt adcmap_100k_104ef_104fb[] = {
{1758, -40},
@@ -612,6 +666,24 @@
}
EXPORT_SYMBOL(qpnp_adc_scale_qrd_skuaa_batt_therm);
+int32_t qpnp_adc_scale_qrd_skug_batt_therm(struct qpnp_vadc_chip *chip,
+ int32_t adc_code,
+ const struct qpnp_adc_properties *adc_properties,
+ const struct qpnp_vadc_chan_properties *chan_properties,
+ struct qpnp_vadc_result *adc_chan_result)
+{
+ int64_t bat_voltage = 0;
+
+ bat_voltage = qpnp_adc_scale_ratiometric_calib(adc_code,
+ adc_properties, chan_properties);
+
+ return qpnp_adc_map_temp_voltage(
+ adcmap_qrd_skug_btm_threshold,
+ ARRAY_SIZE(adcmap_qrd_skug_btm_threshold),
+ bat_voltage,
+ &adc_chan_result->physical);
+}
+EXPORT_SYMBOL(qpnp_adc_scale_qrd_skug_batt_therm);
int32_t qpnp_adc_scale_therm_pu1(struct qpnp_vadc_chip *chip,
int32_t adc_code,
const struct qpnp_adc_properties *adc_properties,