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pm2301-charger: Die temp thermal protection 

This patch adds support for die temperature thermal protection
in pm2301 driver.

Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Hakan BERG <hakan.berg@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
This commit is contained in:
Rupesh Kumar 2012-07-16 12:45:19 +05:30 committed by Lee Jones
parent f7470b5d24
commit da9e83d496
1 changed files with 21 additions and 1 deletions
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22
drivers/power/pm2301_charger.c
View File

@ -876,7 +876,27 @@ static void pm2xxx_charger_check_hw_failure_work(struct work_struct *work)
static void pm2xxx_charger_check_main_thermal_prot_work(
struct work_struct *work)
{
};
int ret;
u8 val;
struct pm2xxx_charger *pm2 = container_of(work, struct pm2xxx_charger,
check_main_thermal_prot_work);
/* Check if die temp warning is still active */
ret = pm2xxx_reg_read(pm2, PM2XXX_SRCE_REG_INT5, &val);
if (ret < 0) {
dev_err(pm2->dev, "%s pm2xxx read failed\n", __func__);
return;
}
if (val & (PM2XXX_INT5_S_ITTHERMALWARNINGRISE
| PM2XXX_INT5_S_ITTHERMALSHUTDOWNRISE))
pm2->flags.main_thermal_prot = true;
else if (val & (PM2XXX_INT5_S_ITTHERMALWARNINGFALL
| PM2XXX_INT5_S_ITTHERMALSHUTDOWNFALL))
pm2->flags.main_thermal_prot = false;
power_supply_changed(&pm2->ac_chg.psy);
}
static struct pm2xxx_interrupts pm2xxx_int = {
.handler[0] = pm2_int_reg0,