diff options
| author | Rupesh Kumar | 2012-07-16 12:45:19 +0530 |
|---|---|---|
| committer | Lee Jones | 2013-03-07 12:35:42 +0800 |
| commit | da9e83d496039458fe9863540cf52b3f9b450675 (patch) | |
| tree | 7909a08e41ba53b641c41602a46e02d5a351c323 /drivers | |
| parent | f7470b5d246294761892f4bafc0eeedaa4369d92 (diff) | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/pm2301_charger.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c index a95edae925f8..ae647c41c535 100644 --- a/drivers/power/pm2301_charger.c +++ b/drivers/power/pm2301_charger.c @@ -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, |