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Subject[PATCH 14/40] pm2301-charger: Die temp thermal protection
Date
From: Rupesh Kumar <rupesh.kumar@stericsson.com>

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>
---
drivers/power/pm2301_charger.c | 22 +++++++++++++++++++++-
1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/power/pm2301_charger.c b/drivers/power/pm2301_charger.c
index 4cb8f7f..ec51026 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,
--
1.7.10.4


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