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Commit 4a9bd3cf authored by Xiaozhe Shi's avatar Xiaozhe Shi
Browse files

power: qpnp-fg: support reading ESR count 



Support reading the fuel gauge ESR count in order to be able to tell
whether a software forced ESR pulse is needed.

CRs-Fixed: 750051
Change-Id: Ida096775798f3479da1f6a2a9664407724e93325
Signed-off-by: default avatarXiaozhe Shi <xiaozhes@codeaurora.org>
parent 08fbc452

drivers/power/qpnp-fg.c

+9 −0
Original line number Diff line number Diff line
@@ -129,6 +129,7 @@ enum fg_mem_data_index { 
	FG_DATA_VOLTAGE,

	FG_DATA_CURRENT,

	FG_DATA_BATT_ESR,

	FG_DATA_BATT_ESR_COUNT,

	FG_DATA_BATT_ID,

	FG_DATA_BATT_ID_INFO,

	FG_DATA_MAX,
@@ -168,6 +169,7 @@ static struct fg_mem_data fg_data[FG_DATA_MAX] = { 
	DATA(VOLTAGE,         0x5CC,   1,      2,     -EINVAL),

	DATA(CURRENT,         0x5CC,   3,      2,     -EINVAL),

	DATA(BATT_ESR,        0x554,   2,      2,     -EINVAL),

	DATA(BATT_ESR_COUNT,  0x558,   2,      2,     -EINVAL),

	DATA(BATT_ID,         0x594,   1,      1,     -EINVAL),

	DATA(BATT_ID_INFO,    0x594,   3,      1,     -EINVAL),

};
@@ -1172,6 +1174,9 @@ static void update_sram_data(struct fg_chip *chip, int *resched_ms) 
		case FG_DATA_BATT_ESR:

			fg_data[i].value = float_decode((u16) temp);

			break;

		case FG_DATA_BATT_ESR_COUNT:

			fg_data[i].value = (u16)temp;

			break;

		case FG_DATA_BATT_ID:

			if (battid_valid)

				fg_data[i].value = reg[0] * LSB_8B;
@@ -1354,6 +1359,7 @@ static enum power_supply_property fg_power_props[] = { 
	POWER_SUPPLY_PROP_BATTERY_TYPE,

	POWER_SUPPLY_PROP_UPDATE_NOW,

	POWER_SUPPLY_PROP_CHARGE_FULL,

	POWER_SUPPLY_PROP_ESR_COUNT,

};



static int fg_power_get_property(struct power_supply *psy,
@@ -1393,6 +1399,9 @@ static int fg_power_get_property(struct power_supply *psy, 
	case POWER_SUPPLY_PROP_RESISTANCE:

		val->intval = get_sram_prop_now(chip, FG_DATA_BATT_ESR);

		break;

	case POWER_SUPPLY_PROP_ESR_COUNT:

		val->intval = get_sram_prop_now(chip, FG_DATA_BATT_ESR_COUNT);

		break;

	case POWER_SUPPLY_PROP_RESISTANCE_ID:

		val->intval = get_sram_prop_now(chip, FG_DATA_BATT_ID);

		break;