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Add strategy to exit rapid_soc_dec to fix 1% problem. #41

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Add strategy to exit rapid_soc_dec to fix 1% problem. #41

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18 changes: 18 additions & 0 deletions drivers/power/supply/qcom/qpnp-fg-gen4.c
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Original file line number Diff line number Diff line change
Expand Up @@ -411,6 +411,7 @@ static bool fg_esr_fast_cal_en;

static int fg_gen4_validate_soc_scale_mode(struct fg_gen4_chip *chip);
static int fg_gen4_esr_fast_calib_config(struct fg_gen4_chip *chip, bool en);
static int fg_gen4_rapid_soc_config(struct fg_gen4_chip *chip, bool en);

static struct fg_sram_param pm8150b_v1_sram_params[] = {
PARAM(BATT_SOC, BATT_SOC_WORD, BATT_SOC_OFFSET, 4, 1, 1, 0, NULL,
Expand Down Expand Up @@ -1225,6 +1226,23 @@ static int fg_gen4_get_prop_soc_scale(struct fg_gen4_chip *chip)
fg_dbg(fg, FG_FVSS, "Vbatt now=%d Vbatt avg=%d Vbatt res=%d\n",
chip->vbatt_now, chip->vbatt_avg, chip->vbatt_res);

/* Exit rapid soc decrease mode when battery voltage > 3700mV to recover real soc value */
if (chip->vbatt_avg > 3700) {
if (chip->dt.rapid_soc_dec_en) {
if(chip->rapid_soc_dec_en) {
fg_dbg(fg, FG_STATUS, "Vbatt > 3700, exit rapid soc decrease\n", fg->charge_status);
rc = fg_gen4_rapid_soc_config(chip, false);
if (rc < 0)
pr_err("Error in configuring for rapid SOC reduction rc:%d\n",
rc);
chip->rapid_soc_dec_en = false;
}
} else if (chip->vbatt_low) {
fg_dbg(fg, FG_STATUS, "Vbatt > 3700, reset vbatt_low = false\n", fg->charge_status);
chip->vbatt_low = false;
}
}

return rc;
}

Expand Down