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sbs: log information for relearn cycle requests and !initialised states

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This commit is contained in:
Saleem Abdulrasool
2011-02-01 22:44:44 -08:00
parent d6bc5bf05f
commit b31ad5bebf
1 changed files with 47 additions and 0 deletions
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47
drivers/power/sbs.c
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@@ -91,6 +91,17 @@
#define CHARGER_MODE (1 << 14)
#define CAPACITY_MODE (1 << 15)
/* Battery Status Flags */
#define FULLY_DISCHARGED (1 << 4)
#define FULLY_CHARGED (1 << 5)
#define DISCHARGING (1 << 6)
#define INITIALIZED (1 << 7)
#define REMAINING_TIME_ALARM (1 << 8)
#define REMAINING_CAPACITY_ALARM (1 << 10)
#define TERMINATE_DISCHARGE_ALARM (1 << 11)
#define OVER_TEMP_ALARM (1 << 12)
#define TERMINATE_CHARGE_ALARM (1 << 14)
#define OVER_CHARGED_ALARM (1 << 15)
#define SBS_STRING_REGISTER_LEN (32)
@@ -137,6 +148,7 @@ struct sbs_battery {
/* affected by battery_mode */
u16 full_charge_capacity;
u16 design_capacity;
u16 battery_status;
/* static information */
u16 battery_cycle_count;
@@ -150,6 +162,12 @@ struct sbs_battery {
char *device_chemistry;
} cache;
struct __packed {
unsigned capacity_relearn : 1;
unsigned uninitialized : 1;
unsigned : 6;
} state;
unsigned int vscale;
unsigned int ipscale;
@@ -343,6 +361,9 @@ static const struct sbs_battery_register sbs_state_registers[] = {
{ SBS_FULL_CHARGE_CAPACITY,
SBS_REGISTER_INT,
offsetof(struct sbs_battery, cache.full_charge_capacity), },
{ SBS_BATTERY_STATUS,
SBS_REGISTER_INT,
offsetof(struct sbs_battery, cache.battery_status), },
{ SBS_DESIGN_CAPACITY,
SBS_REGISTER_INT,
offsetof(struct sbs_battery, cache.design_capacity), },
@@ -367,6 +388,31 @@ 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 & 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 & 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,
@@ -638,6 +684,7 @@ static irqreturn_t sbs_battery_presence_changed(int irq, void *data)
struct sbs_battery * const batt = (struct sbs_battery *) data;
memset(&batt->cache, 0, sizeof(batt->cache));
memset(&batt->state, 0, sizeof(batt->state));
if (batt->platform->battery_insertion_status) {
const bool present = batt->platform->battery_insertion_status();