118 lines
3.8 KiB
Diff
118 lines
3.8 KiB
Diff
From dc71ae51e6c411a2a646a43e1c75bb47051c6a1b Mon Sep 17 00:00:00 2001
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From: Samuel Holland <samuel@sholland.org>
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Date: Sat, 29 Feb 2020 01:04:33 -0600
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Subject: [PATCH 223/389] power: supply: axp20x_battery: Monitor battery health
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Signed-off-by: Samuel Holland <samuel@sholland.org>
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---
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drivers/power/supply/axp20x_battery.c | 58 ++++++++++++++++++++++++++-
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1 file changed, 56 insertions(+), 2 deletions(-)
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diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
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index 3331910f46a6..bdc7e578216c 100644
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--- a/drivers/power/supply/axp20x_battery.c
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+++ b/drivers/power/supply/axp20x_battery.c
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@@ -82,6 +82,7 @@ struct axp20x_batt_ps {
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struct iio_channel *batt_chrg_i;
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struct iio_channel *batt_dischrg_i;
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struct iio_channel *batt_v;
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+ int health;
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/* Maximum constant charge current */
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unsigned int max_ccc;
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const struct axp_data *data;
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@@ -273,7 +274,7 @@ static int axp20x_battery_get_prop(struct power_supply *psy,
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return 0;
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}
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- val->intval = POWER_SUPPLY_HEALTH_GOOD;
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+ val->intval = axp20x_batt->health;
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break;
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case POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT:
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@@ -565,6 +566,39 @@ static irqreturn_t axp20x_battery_changed_irq(int irq, void *devid)
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return IRQ_HANDLED;
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}
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+static irqreturn_t axp20x_battery_temp_cold_irq(int irq, void *devid)
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+{
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+ struct axp20x_batt_ps *axp20x_batt = devid;
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+
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+ axp20x_batt->health = POWER_SUPPLY_HEALTH_COLD;
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+
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+ power_supply_changed(axp20x_batt->batt);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t axp20x_battery_temp_hot_irq(int irq, void *devid)
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+{
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+ struct axp20x_batt_ps *axp20x_batt = devid;
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+
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+ axp20x_batt->health = POWER_SUPPLY_HEALTH_OVERHEAT;
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+
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+ power_supply_changed(axp20x_batt->batt);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t axp20x_battery_temp_normal_irq(int irq, void *devid)
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+{
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+ struct axp20x_batt_ps *axp20x_batt = devid;
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+
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+ axp20x_batt->health = POWER_SUPPLY_HEALTH_GOOD;
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+
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+ power_supply_changed(axp20x_batt->batt);
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+
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+ return IRQ_HANDLED;
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+}
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+
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static const struct axp_irq_data axp20x_irqs[] = {
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{ "BATT_PLUGIN", axp20x_battery_changed_irq },
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{ "BATT_REMOVAL", axp20x_battery_changed_irq },
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@@ -575,6 +609,24 @@ static const struct axp_irq_data axp20x_irqs[] = {
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{}
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};
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+static const struct axp_irq_data axp813_irqs[] = {
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+ { "BATT_PLUGIN", axp20x_battery_changed_irq },
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+ { "BATT_REMOVAL", axp20x_battery_changed_irq },
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+ { "BATT_HEALTH_DEAD", axp20x_battery_changed_irq },
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+ { "BATT_HEALTH_GOOD", axp20x_battery_changed_irq },
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+ { "BATT_CHARGING", axp20x_battery_changed_irq },
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+ { "BATT_CHARGING_DONE", axp20x_battery_changed_irq },
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+ { "BATT_CHG_TEMP_HIGH", axp20x_battery_temp_hot_irq },
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+ { "BATT_CHG_TEMP_HIGH_END", axp20x_battery_temp_normal_irq },
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+ { "BATT_CHG_TEMP_LOW", axp20x_battery_temp_cold_irq },
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+ { "BATT_CHG_TEMP_LOW_END", axp20x_battery_temp_normal_irq },
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+ { "BATT_ACT_TEMP_HIGH", axp20x_battery_temp_hot_irq },
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+ { "BATT_ACT_TEMP_HIGH_END", axp20x_battery_temp_normal_irq },
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+ { "BATT_ACT_TEMP_LOW", axp20x_battery_temp_cold_irq },
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+ { "BATT_ACT_TEMP_LOW_END", axp20x_battery_temp_normal_irq },
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+ {}
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+};
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+
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static const struct axp_data axp209_data = {
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.ccc_scale = 100000,
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.ccc_offset = 300000,
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@@ -598,7 +650,7 @@ static const struct axp_data axp813_data = {
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.has_fg_valid = true,
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.get_max_voltage = axp813_battery_get_max_voltage,
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.set_max_voltage = axp20x_battery_set_max_voltage,
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- .irqs = axp20x_irqs,
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+ .irqs = axp813_irqs,
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};
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static const struct of_device_id axp20x_battery_ps_id[] = {
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@@ -675,6 +727,8 @@ static int axp20x_power_probe(struct platform_device *pdev)
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return PTR_ERR(axp20x_batt->batt);
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}
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+ axp20x_batt->health = POWER_SUPPLY_HEALTH_GOOD;
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+
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if (!power_supply_get_battery_info(axp20x_batt->batt, &info)) {
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int vmin = info->voltage_min_design_uv;
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int ccc = info->constant_charge_current_max_ua;
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--
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2.35.3
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