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yaml
---
r: 367454
b: refs/heads/master
c: 584f970
h: refs/heads/master
v: v3
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Rajkumar Kasirajan authored and Lee Jones committed Mar 7, 2013
1 parent 111df6c commit 4a46de6
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Showing 2 changed files with 44 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 116c326e74494806f2524ea07dc256f12b245652
refs/heads/master: 584f970339bb259d4ac7dd82b355f283550193b2
48 changes: 43 additions & 5 deletions trunk/drivers/power/pm2301_charger.c
Original file line number Diff line number Diff line change
Expand Up @@ -192,11 +192,22 @@ static int pm2xxx_charging_disable_mngt(struct pm2xxx_charger *pm2)
{
int ret;

/* Disable SW EOC ctrl */
ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG, PM2XXX_SWCTRL_HW);
if (ret < 0) {
dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);
return ret;
}

/* Disable charging */
ret = pm2xxx_reg_write(pm2, PM2XXX_BATT_CTRL_REG2,
(PM2XXX_CH_AUTO_RESUME_DIS | PM2XXX_CHARGER_DIS));
if (ret < 0) {
dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);
return ret;
}

return ret;
return 0;
}

static int pm2xxx_charger_batt_therm_mngt(struct pm2xxx_charger *pm2, int val)
Expand Down Expand Up @@ -245,13 +256,29 @@ static int pm2xxx_charger_wd_exp_mngt(struct pm2xxx_charger *pm2, int val)

static int pm2xxx_charger_vbat_lsig_mngt(struct pm2xxx_charger *pm2, int val)
{
int ret;

switch (val) {
case PM2XXX_INT1_ITVBATLOWR:
dev_dbg(pm2->dev, "VBAT grows above VBAT_LOW level\n");
/* Enable SW EOC ctrl */
ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG,
PM2XXX_SWCTRL_SW);
if (ret < 0) {
dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);
return ret;
}
break;

case PM2XXX_INT1_ITVBATLOWF:
dev_dbg(pm2->dev, "VBAT drops below VBAT_LOW level\n");
/* Disable SW EOC ctrl */
ret = pm2xxx_reg_write(pm2, PM2XXX_SW_CTRL_REG,
PM2XXX_SWCTRL_HW);
if (ret < 0) {
dev_err(pm2->dev, "%s pm2xxx write failed\n", __func__);
return ret;
}
break;

default:
Expand Down Expand Up @@ -322,16 +349,27 @@ static int pm2_int_reg0(void *pm2_data, int val)
struct pm2xxx_charger *pm2 = pm2_data;
int ret = 0;

if (val & (PM2XXX_INT1_ITVBATLOWR | PM2XXX_INT1_ITVBATLOWF)) {
ret = pm2xxx_charger_vbat_lsig_mngt(pm2, val &
(PM2XXX_INT1_ITVBATLOWR | PM2XXX_INT1_ITVBATLOWF));
if (val & PM2XXX_INT1_ITVBATLOWR) {
ret = pm2xxx_charger_vbat_lsig_mngt(pm2,
PM2XXX_INT1_ITVBATLOWR);
if (ret < 0)
goto out;
}

if (val & PM2XXX_INT1_ITVBATLOWF) {
ret = pm2xxx_charger_vbat_lsig_mngt(pm2,
PM2XXX_INT1_ITVBATLOWF);
if (ret < 0)
goto out;
}

if (val & PM2XXX_INT1_ITVBATDISCONNECT) {
ret = pm2xxx_charger_bat_disc_mngt(pm2,
PM2XXX_INT1_ITVBATDISCONNECT);
if (ret < 0)
goto out;
}

out:
return ret;
}

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