Merge "power: qpnp-smbcharger: Add support for restricted_charging" (f1a967fd) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/power/qpnp-smbcharger.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -138,6 +138,7 @@ struct smbchg_chip {
		bool vbat_above_headroom;
		bool force_aicl_rerun;
		bool hvdcp3_supported;
		bool restricted_charging;
		u8 original_usbin_allowance;
		struct parallel_usb_cfg parallel;
		struct delayed_work parallel_en_work;
		@@ -308,6 +309,7 @@ enum fcc_voters {
		ESR_PULSE_FCC_VOTER,
		BATT_TYPE_FCC_VOTER,
		USER_FCC_VOTER,
		RESTRICTED_CHG_FCC_VOTER,
		NUM_FCC_VOTER,
		};

		@@ -4221,6 +4223,31 @@ static void restore_from_hvdcp_detection(struct smbchg_chip *chip)
		chip->pulse_cnt = 0;
		}

		#define RESTRICTED_CHG_FCC_PERCENT 50
		static int smbchg_restricted_charging(struct smbchg_chip *chip, bool enable)
		{
		int current_table_index, fastchg_current;
		int rc = 0;

		/* If enable, set the fcc to the set point closest
		* to 50% of the configured fcc while remaining below it
		*/
		current_table_index = find_smaller_in_array(
		chip->tables.usb_ilim_ma_table,
		chip->cfg_fastchg_current_ma
		* RESTRICTED_CHG_FCC_PERCENT / 100,
		chip->tables.usb_ilim_ma_len);
		fastchg_current =
		chip->tables.usb_ilim_ma_table[current_table_index];
		rc = vote(chip->fcc_votable, RESTRICTED_CHG_FCC_VOTER, enable,
		fastchg_current);

		pr_smb(PR_STATUS, "restricted_charging set to %d\n", enable);
		chip->restricted_charging = enable;

		return rc;
		}

		static void handle_usb_removal(struct smbchg_chip *chip)
		{
		struct power_supply *parallel_psy = get_parallel_psy(chip);
		@@ -5175,6 +5202,7 @@ static enum power_supply_property smbchg_battery_properties[] = {
		POWER_SUPPLY_PROP_DP_DM,
		POWER_SUPPLY_PROP_INPUT_CURRENT_LIMITED,
		POWER_SUPPLY_PROP_RERUN_AICL,
		POWER_SUPPLY_PROP_RESTRICTED_CHARGING,
		};

		static int smbchg_battery_set_property(struct power_supply *psy,
		@@ -5226,6 +5254,9 @@ static int smbchg_battery_set_property(struct power_supply *psy,
		case POWER_SUPPLY_PROP_RERUN_AICL:
		smbchg_rerun_aicl(chip);
		break;
		case POWER_SUPPLY_PROP_RESTRICTED_CHARGING:
		rc = smbchg_restricted_charging(chip, val->intval);
		break;
		default:
		return -EINVAL;
		}
		@@ -5248,6 +5279,7 @@ static int smbchg_battery_is_writeable(struct power_supply *psy,
		case POWER_SUPPLY_PROP_SAFETY_TIMER_ENABLE:
		case POWER_SUPPLY_PROP_DP_DM:
		case POWER_SUPPLY_PROP_RERUN_AICL:
		case POWER_SUPPLY_PROP_RESTRICTED_CHARGING:
		rc = 1;
		break;
		default:
		@@ -5304,6 +5336,9 @@ static int smbchg_battery_get_property(struct power_supply *psy,
		case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED:
		val->intval = (int)chip->aicl_complete;
		break;
		case POWER_SUPPLY_PROP_RESTRICTED_CHARGING:
		val->intval = (int)chip->restricted_charging;
		break;
		/* properties from fg */
		case POWER_SUPPLY_PROP_CAPACITY:
		val->intval = get_prop_batt_capacity(chip);