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rk29 phone:add wake lock support if SYSVDD under voltage

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root
2011-08-02 17:12:20 +08:00
parent 2905f5e385
commit 4e5e35cefe
1 changed files with 14 additions and 11 deletions
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25
drivers/power/wm831x_power.c
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@@ -95,6 +95,7 @@ struct wm831x_power {
struct work_struct batt_work;
struct timer_list timer;
struct wm_batt_priv_data batt_info;
struct wake_lock syslo_wake;
int interval;
};
@@ -699,7 +700,8 @@ static irqreturn_t wm831x_syslo_irq(int irq, void *data)
/* Not much we can actually *do* but tell people for
* posterity, we're probably about to run out of power. */
dev_crit(wm831x->dev, "SYSVDD under voltage\n");
dev_crit(wm831x->dev, "SYSVDD under voltage and wake lock 60s\n");
wake_lock_timeout(&wm831x_power->syslo_wake,60*HZ);//wait for android closing system
return IRQ_HANDLED;
}
@@ -730,8 +732,8 @@ void wm831x_batt_vol_level(struct wm831x_power *wm831x_power, int batt_vol, int
{
int i, ret, status;
static int count = 0;
static int disp_plus = 100;
static int disp_minus = 100;
static int disp_plus = 1000;
static int disp_minus = 1000;
static int disp_curr = 0;
*level = wm831x_power->batt_info.level;
@@ -789,7 +791,7 @@ void wm831x_batt_vol_level(struct wm831x_power *wm831x_power, int batt_vol, int
*level = 100;
// <20><>ʼ״̬
if ((disp_plus == 100) && (disp_minus == 100))
if ((disp_plus == 1000) && (disp_minus == 1000))
{
*level = *level;
disp_plus = 0;
@@ -798,14 +800,14 @@ void wm831x_batt_vol_level(struct wm831x_power *wm831x_power, int batt_vol, int
}
else
{
if (*level <= (wm831x_power->batt_info.level-3))
if (*level <= (wm831x_power->batt_info.level-1))
{
disp_plus = 0;
disp_curr = 0;
if (++disp_minus > 4)
if (++disp_minus > 50)
{
*level = wm831x_power->batt_info.level - 3;
*level = wm831x_power->batt_info.level - 1;
disp_minus = 0;
}
else
@@ -818,7 +820,7 @@ void wm831x_batt_vol_level(struct wm831x_power *wm831x_power, int batt_vol, int
disp_plus = 0;
disp_minus = 0;
if (++disp_curr > 4)
if (++disp_curr > 50)
{
*level = *level;
disp_curr = 0;
@@ -828,14 +830,14 @@ void wm831x_batt_vol_level(struct wm831x_power *wm831x_power, int batt_vol, int
*level = wm831x_power->batt_info.level;
}
}
else if (*level >= (wm831x_power->batt_info.level+3))
else if (*level >= (wm831x_power->batt_info.level+1))
{
disp_minus = 0;
disp_curr = 0;
if (++disp_plus > 10)
if (++disp_plus > 100)
{
*level = wm831x_power->batt_info.level + 3;
*level = wm831x_power->batt_info.level + 1;
disp_plus = 0;
}
else
@@ -1003,6 +1005,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
power->batt_info.status = POWER_SUPPLY_STATUS_DISCHARGING;
power->batt_info.health = POWER_SUPPLY_HEALTH_GOOD;
wake_lock_init(&power->syslo_wake, WAKE_LOCK_SUSPEND, "wm831x_syslo_wake");
INIT_WORK(&power->batt_work, wm831x_batt_work);
setup_timer(&power->timer, wm831x_batt_timer_handler, (unsigned long)power);
power->timer.expires = jiffies + msecs_to_jiffies(1000);