A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 03:01:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

power_supply: Add battery health reporting for WM8350

Browse source 
Implement support for reporting battery health in the WM8350 battery
interface. Since we are now able to report this via the classs remove
the diagnostics from the interrupt handler.

Signed-off-by: Mark Brown <[email protected]>
Acked-by: Anton Vorontsov <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This commit is contained in:
Mark Brown 2008-11-30 22:45:14 +01:00 • committed by Samuel Ortiz
commit 4008e879e1
3 changed files with 33 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

33
drivers/power/wm8350_power.c
View file

@ -190,22 +190,18 @@ static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data)
struct wm8350_charger_policy *policy = power->policy;
switch (irq) {
case WM8350_IRQ_CHG_BAT_HOT:
dev_err(wm8350->dev, "battery too hot\n");
break;
case WM8350_IRQ_CHG_BAT_COLD:
dev_err(wm8350->dev, "battery too cold\n");
break;
case WM8350_IRQ_CHG_BAT_FAIL:
dev_err(wm8350->dev, "battery failed\n");
break;
case WM8350_IRQ_CHG_TO:
dev_err(wm8350->dev, "charger timeout\n");
break;
case WM8350_IRQ_CHG_END:
power_supply_changed(&power->battery);
break;
case WM8350_IRQ_CHG_BAT_HOT:
case WM8350_IRQ_CHG_BAT_COLD:
case WM8350_IRQ_CHG_START:
case WM8350_IRQ_CHG_END:
power_supply_changed(&power->battery);
break;
@ -308,6 +304,23 @@ static enum power_supply_property wm8350_usb_props[] = {
* Battery properties
*********************************************************************/
static int wm8350_bat_check_health(struct wm8350 *wm8350)
{
u16 reg;
if (wm8350_read_battery_uvolts(wm8350) < 2850000)
return POWER_SUPPLY_HEALTH_UNSPEC_FAILURE;
reg = wm8350_reg_read(wm8350, WM8350_CHARGER_OVERRIDES);
if (reg & WM8350_CHG_BATT_HOT_OVRDE)
return POWER_SUPPLY_HEALTH_OVERHEAT;
if (reg & WM8350_CHG_BATT_COLD_OVRDE)
return POWER_SUPPLY_HEALTH_COLD;
return POWER_SUPPLY_HEALTH_GOOD;
}
static int wm8350_bat_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
@ -326,6 +339,9 @@ static int wm8350_bat_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = wm8350_read_battery_uvolts(wm8350);
break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = wm8350_bat_check_health(wm8350);
break;
default:
ret = -EINVAL;
break;
@ -338,6 +354,7 @@ static enum power_supply_property wm8350_bat_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
POWER_SUPPLY_PROP_HEALTH,
};
/*********************************************************************