#include <linux/mfd/abx500/ab8500.h>
#include <linux/iio/consumer.h>
#include <linux/kernel.h>
+#include <linux/fixp-arith.h>
#include "ab8500-bm.h"
/* FG constants */
#define BATT_OVV 0x01
-#define interpolate(x, x1, y1, x2, y2) \
- ((y1) + ((((y2) - (y1)) * ((x) - (x1))) / ((x2) - (x1))));
-
/**
* struct ab8500_fg_interrupts - ab8500 fg interrupts
* @name: name of the interrupt
struct ab8500_fg_avg_cap avg_cap;
struct ab8500 *parent;
struct iio_channel *main_bat_v;
- struct abx500_bm_data *bm;
+ struct ab8500_bm_data *bm;
struct power_supply *fg_psy;
struct workqueue_struct *fg_wq;
struct delayed_work fg_periodic_work;
static int ab8500_fg_volt_to_capacity(struct ab8500_fg *di, int voltage)
{
int i, tbl_size;
- const struct abx500_v_to_cap *tbl;
+ const struct ab8500_v_to_cap *tbl;
int cap = 0;
tbl = di->bm->bat_type[di->bm->batt_id].v_to_cap_tbl;
}
if ((i > 0) && (i < tbl_size)) {
- cap = interpolate(voltage,
+ cap = fixp_linear_interpolate(
tbl[i].voltage,
tbl[i].capacity * 10,
tbl[i-1].voltage,
- tbl[i-1].capacity * 10);
+ tbl[i-1].capacity * 10,
+ voltage);
} else if (i == 0) {
cap = 1000;
} else {
}
if ((i > 0) && (i < tbl_size)) {
- resist = interpolate(di->bat_temp / 10,
+ resist = fixp_linear_interpolate(
tbl[i].temp,
tbl[i].resist,
tbl[i-1].temp,
- tbl[i-1].resist);
+ tbl[i-1].resist,
+ di->bat_temp / 10);
} else if (i == 0) {
resist = tbl[0].resist;
} else {
case POWER_SUPPLY_TYPE_BATTERY:
if (!di->flags.batt_id_received &&
di->bm->batt_id != BATTERY_UNKNOWN) {
- const struct abx500_battery_type *b;
+ const struct ab8500_battery_type *b;
b = &(di->bm->bat_type[di->bm->batt_id]);