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sbs: small fixes

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* add health property and remove the state in the structure that kept the values previously
* reduce cache time to 2.5 seconds to make it quicker to respond to AC events
* add supplicants to the mains supply so that when AC detection hits, battery gets poked too
This commit is contained in:
Matt Sealey
2011-02-20 03:05:28 -06:00
parent 218e736adc
commit 2b25c869c4
1 changed files with 21 additions and 33 deletions
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54
drivers/power/sbs.c
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@@ -107,9 +107,8 @@
#define SBS_STRING_REGISTER_LEN (32)
/* module parameters */
static unsigned int cache_time = 10000;
static unsigned int cache_time = 2500;
module_param(cache_time, uint, 0644);
MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@@ -155,12 +154,6 @@ struct sbs_battery {
} flags;
} cache;
struct __packed {
unsigned capacity_relearn : 1;
unsigned uninitialized : 1;
unsigned : 6;
} state;
unsigned int vscale;
unsigned int ipscale;
@@ -342,6 +335,8 @@ static enum power_supply_property sbs_battery_properties[] = {
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_ENERGY_FULL,
POWER_SUPPLY_PROP_ENERGY_NOW,
POWER_SUPPLY_PROP_HEALTH,
};
static inline int __chem_to_tech(const char * const chem)
@@ -478,30 +473,6 @@ static void sbs_get_battery_state(struct sbs_battery *batt)
batt->cache.serial_number = kasprintf(GFP_KERNEL,
"%u", batt->cache._serial_number);
if (batt->cache.battery_mode & MODE_CAPACITY_RELEARN) {
if (!batt->state.capacity_relearn) {
INFO("conditioning cycle requested\n");
batt->state.capacity_relearn = true;
}
} else {
if (batt->state.capacity_relearn) {
INFO("conditioning cycle completed\n");
batt->state.capacity_relearn = false;
}
}
if (~batt->cache.battery_status & STATUS_INITIALIZED) {
if (!batt->state.uninitialized) {
WARNING("battery electronics have deteriorated; data "
"may be inaccurate or invalid!");
batt->state.uninitialized = true;
}
} else {
if (batt->state.uninitialized) {
INFO("battery initialisation state has returned to normal");
batt->state.uninitialized = false;
}
}
}
static int sbs_get_battery_property(struct power_supply *psy,
@@ -610,6 +581,17 @@ static int sbs_get_battery_property(struct power_supply *psy,
batt->cache.remaining_capacity);
break;
case POWER_SUPPLY_PROP_HEALTH:
if (batt->cache.battery_mode & MODE_CAPACITY_RELEARN)
val->intval = POWER_SUPPLY_HEALTH_RELEARN_REQUEST;
if (~batt->cache.battery_status & STATUS_INITIALIZED)
val->intval = POWER_SUPPLY_HEALTH_UNINITIALIZED;
if (val->intval == 0)
val->intval = POWER_SUPPLY_HEALTH_GOOD;
break;
default:
retval = -EINVAL;
break;
@@ -658,9 +640,16 @@ static int sbs_get_mains_property(struct power_supply *psy,
return retval;
}
static char *sbs_supplied_to[] = {
"battery",
};
static struct power_supply sbs_mains = {
.name = "mains",
.type = POWER_SUPPLY_TYPE_MAINS,
.supplied_to = sbs_supplied_to,
.num_supplicants = ARRAY_SIZE(sbs_supplied_to),
.properties = sbs_mains_properties,
.num_properties = ARRAY_SIZE(sbs_mains_properties),
.get_property = sbs_get_mains_property,
@@ -684,7 +673,6 @@ static void sbs_battery_insert_handler(struct work_struct *work)
container_of(work, struct sbs_battery, insert_work);
memset(&batt->cache, 0, sizeof(batt->cache));
memset(&batt->state, 0, sizeof(batt->state));
schedule_delayed_work(&batt->refresh,
msecs_to_jiffies(i2c_settle_time));