[PATCH] gta01_battery: add charge_{now,full} properties
Paul Fertser
fercerpav at gmail.com
Thu Jul 30 22:47:41 CEST 2009
Some userspace (notably Enlightment's batget) ignores "capacity"
completely if there're no other properties. Expose a fake value
(850mAh, typical for BL-5C) to make them happy.
Signed-off-by: Paul Fertser <fercerpav at gmail.com>
---
drivers/power/gta01_battery.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/drivers/power/gta01_battery.c b/drivers/power/gta01_battery.c
index 3c7c497..2078b07 100644
--- a/drivers/power/gta01_battery.c
+++ b/drivers/power/gta01_battery.c
@@ -24,8 +24,13 @@ static enum power_supply_property gta01_bat_props[] = {
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
};
+/* Capacity of typical BL-5C dumb battery */
+#define GTA01_BAT_CHARGE_FULL 850000
+
static int gta01_bat_voltscale(int volt)
{
/* This table is suggested by SpeedEvil based on analysis of
@@ -83,6 +88,14 @@ static int gta01_bat_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_PRESENT:
val->intval = 1; /* You must never run GTA01 without battery. */
break;
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ if (bat->pdata->get_voltage) {
+ int perc = gta01_bat_voltscale(
+ bat->pdata->get_voltage()/1000);
+ val->intval = perc * GTA01_BAT_CHARGE_FULL / 100;
+ } else
+ val->intval = 0;
+ break;
case POWER_SUPPLY_PROP_CAPACITY:
if (bat->pdata->get_voltage)
val->intval = gta01_bat_voltscale(
@@ -90,6 +103,9 @@ static int gta01_bat_get_property(struct power_supply *psy,
else
val->intval = 0;
break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ val->intval = GTA01_BAT_CHARGE_FULL;
+ break;
default:
return -EINVAL;
--
1.6.0.6
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