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authorLee Jones <lee.jones@linaro.org>2013-02-13 11:39:19 +0000
committerLee Jones <lee.jones@linaro.org>2013-03-07 12:35:40 +0800
commit8891716e24d7b0f4b1c3b4fdff641bcb1fb282c4 (patch)
tree4f5fbc4035d59faab6d6defee2e6f51f2bde021b /drivers/power/abx500_chargalg.c
parent789ca7b46877f29b2aaa94401319c50be35b184f (diff)
ab8500-bm: Charge only mode fixes for the ab9540
Fix for charging not getting enabled in charge only mode by external charger. Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/power/abx500_chargalg.c')
-rw-r--r--drivers/power/abx500_chargalg.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c
index 8ab65a3a819..a876976678a 100644
--- a/drivers/power/abx500_chargalg.c
+++ b/drivers/power/abx500_chargalg.c
@@ -26,6 +26,7 @@
#include <linux/mfd/abx500.h>
#include <linux/mfd/abx500/ux500_chargalg.h>
#include <linux/mfd/abx500/ab8500-bm.h>
+#include <linux/notifier.h>
/* Watchdog kick interval */
#define CHG_WD_INTERVAL (6 * HZ)
@@ -243,6 +244,9 @@ struct abx500_chargalg {
struct kobject chargalg_kobject;
};
+/*External charger prepare notifier*/
+BLOCKING_NOTIFIER_HEAD(charger_notifier_list);
+
/* Main battery properties */
static enum power_supply_property abx500_chargalg_props[] = {
POWER_SUPPLY_PROP_STATUS,
@@ -503,6 +507,8 @@ static int abx500_chargalg_kick_watchdog(struct abx500_chargalg *di)
static int abx500_chargalg_ac_en(struct abx500_chargalg *di, int enable,
int vset, int iset)
{
+ static int abx500_chargalg_ex_ac_enable_toggle;
+
if (!di->ac_chg || !di->ac_chg->ops.enable)
return -ENXIO;
@@ -515,6 +521,14 @@ static int abx500_chargalg_ac_en(struct abx500_chargalg *di, int enable,
di->chg_info.ac_iset = iset;
di->chg_info.ac_vset = vset;
+ /* Enable external charger */
+ if (enable && di->ac_chg->external &&
+ !abx500_chargalg_ex_ac_enable_toggle) {
+ blocking_notifier_call_chain(&charger_notifier_list,
+ 0, di->dev);
+ abx500_chargalg_ex_ac_enable_toggle++;
+ }
+
return di->ac_chg->ops.enable(di->ac_chg, enable, vset, iset);
}