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authorDmitry Osipenko <digetx@gmail.com>2020-08-14 00:34:02 +0300
committerSebastian Reichel <sebastian.reichel@collabora.com>2020-08-25 19:24:37 +0200
commit00cda13e339c9f4956a6f036675df2ca5b5a552e (patch)
tree94f1e26daca5994c283badba4622ddda8b098557 /drivers
parentc1f90759b3d536f9b1b047484d08dfd04af3c4b1 (diff)
downloadlinux-00cda13e339c9f4956a6f036675df2ca5b5a552e.tar.bz2
power: supply: Support battery temperature device-tree properties
The generic battery temperature properties are already supported by the power-supply core. Let's support parsing of the common battery temperature properties from a device-tree. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/power/supply/power_supply_core.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index ccbad435ed12..38e3aa642131 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -579,6 +579,12 @@ int power_supply_get_battery_info(struct power_supply *psy,
info->charge_term_current_ua = -EINVAL;
info->constant_charge_current_max_ua = -EINVAL;
info->constant_charge_voltage_max_uv = -EINVAL;
+ info->temp_ambient_alert_min = INT_MIN;
+ info->temp_ambient_alert_max = INT_MAX;
+ info->temp_alert_min = INT_MIN;
+ info->temp_alert_max = INT_MAX;
+ info->temp_min = INT_MIN;
+ info->temp_max = INT_MAX;
info->factory_internal_resistance_uohm = -EINVAL;
info->resist_table = NULL;
@@ -639,6 +645,19 @@ int power_supply_get_battery_info(struct power_supply *psy,
of_property_read_u32(battery_np, "factory-internal-resistance-micro-ohms",
&info->factory_internal_resistance_uohm);
+ of_property_read_u32_index(battery_np, "ambient-celsius",
+ 0, &info->temp_ambient_alert_min);
+ of_property_read_u32_index(battery_np, "ambient-celsius",
+ 1, &info->temp_ambient_alert_max);
+ of_property_read_u32_index(battery_np, "alert-celsius",
+ 0, &info->temp_alert_min);
+ of_property_read_u32_index(battery_np, "alert-celsius",
+ 1, &info->temp_alert_max);
+ of_property_read_u32_index(battery_np, "operating-range-celsius",
+ 0, &info->temp_min);
+ of_property_read_u32_index(battery_np, "operating-range-celsius",
+ 1, &info->temp_max);
+
len = of_property_count_u32_elems(battery_np, "ocv-capacity-celsius");
if (len < 0 && len != -EINVAL) {
err = len;