build/patch/kernel/archive/sunxi-6.1/patches.megous/power-supply-axp20x_battery-Monitor-battery-health.patch

118 lines
3.8 KiB
Diff

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