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mako: power: userspace communications for full charging battery status

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Change-Id: Ibfad2d2a5a080d8535bf076e3a61f25d2491bd39
This commit is contained in:
kyungtae.oh
2012-07-23 21:46:47 +09:00
committed by Iliyan Malchev
parent a87d0e534a
commit e9efc45c8e
1 changed files with 99 additions and 0 deletions
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99
drivers/power/pm8921-charger.c
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@@ -3970,6 +3970,105 @@ static void create_debugfs_entries(struct pm8921_chg_chip *chip)
}
}
int pm8921_stop_chg_disable_irq(void)
{
struct pm8921_chg_chip *chip = the_chip;
pm8921_chg_disable_irq(chip, ATCFAIL_IRQ);
pm8921_chg_disable_irq(chip, CHGHOT_IRQ);
pm8921_chg_disable_irq(chip, ATCDONE_IRQ);
pm8921_chg_disable_irq(chip, FASTCHG_IRQ);
pm8921_chg_disable_irq(chip, CHGDONE_IRQ);
pm8921_chg_disable_irq(chip, VBATDET_IRQ);
pm8921_chg_disable_irq(chip, VBATDET_LOW_IRQ);
return 1;
}
int pm8921_start_chg_enable_irq(void)
{
struct pm8921_chg_chip *chip = the_chip;
pm8921_chg_enable_irq(chip, ATCFAIL_IRQ);
pm8921_chg_enable_irq(chip, CHGHOT_IRQ);
pm8921_chg_enable_irq(chip, ATCDONE_IRQ);
pm8921_chg_enable_irq(chip, FASTCHG_IRQ);
pm8921_chg_enable_irq(chip, CHGDONE_IRQ);
pm8921_chg_enable_irq(chip, VBATDET_IRQ);
pm8921_chg_enable_irq(chip, VBATDET_LOW_IRQ);
return 1;
}
static ssize_t pm8921_chg_status_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int fsm_state, is_charging, r;
bool b_chg_ok = false;
if (!the_chip) {
pr_err("called before init\n");
return -EINVAL;
}
fsm_state = pm_chg_get_fsm_state(the_chip);
is_charging = is_battery_charging(fsm_state);
if (is_charging) {
b_chg_ok = true;
r = sprintf(buf, "%d\n", b_chg_ok);
pr_info("pm8921_chg_status_show , true ! buf = %s, is_charging = %d\n",
buf, is_charging);
} else {
b_chg_ok = false;
r = sprintf(buf, "%d\n", b_chg_ok);
pr_info("pm8921_chg_status_show , false ! buf = %s, is_charging = %d\n",
buf, is_charging);
}
return r;
}
static ssize_t pm8921_chg_status_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
int ret = 0, batt_status = 0;
struct pm8921_chg_chip *chip = the_chip;
if (!count)
return -EINVAL;
batt_status = get_prop_batt_status(chip);
if (strncmp(buf, "0", 1) == 0) {
/* stop charging */
pr_info("pm8921_chg_status_store : stop charging start\n");
if (batt_status == POWER_SUPPLY_STATUS_CHARGING) {
ret = pm8921_stop_chg_disable_irq();
pm_chg_auto_enable(chip, 0);
pm_chg_charge_dis(chip,1);
pr_info("pm8921_chg_status_store : stop charging end\n");
}
} else if (strncmp(buf, "1", 1) == 0) {
/* start charging */
pr_info("pm8921_chg_status_store : start charging start\n");
if (batt_status != POWER_SUPPLY_STATUS_CHARGING) {
ret = pm8921_start_chg_enable_irq();
pm_chg_auto_enable(chip, 1);
pm_chg_charge_dis(chip,0);
pr_info("pm8921_chg_status_store : start charging end\n");
}
}
if(ret == 0)
return -EINVAL;
return ret;
}
DEVICE_ATTR(charge, 0664, pm8921_chg_status_show, pm8921_chg_status_store);
static int pm8921_charger_suspend_noirq(struct device *dev)
{
int rc;