aboutsummaryrefslogtreecommitdiff
path: root/drivers/power/pm2301_charger.c
diff options
context:
space:
mode:
authorRupesh Kumar <rupesh.kumar@stericsson.com>2012-07-16 12:45:19 +0530
committerLee Jones <lee.jones@linaro.org>2013-03-07 12:35:42 +0800
commitda9e83d496039458fe9863540cf52b3f9b450675 (patch)
tree7909a08e41ba53b641c41602a46e02d5a351c323 /drivers/power/pm2301_charger.c
parentf7470b5d246294761892f4bafc0eeedaa4369d92 (diff)
downloadvexpress-lsk-da9e83d496039458fe9863540cf52b3f9b450675.tar.gz
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/power/pm2301_charger.c')
-rw-r--r--drivers/power/pm2301_charger.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c
index a95edae925f..ae647c41c53 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,