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authorKim, Milo <Milo.Kim@ti.com>2012-08-31 09:24:37 +0000
committerAnton Vorontsov <anton.vorontsov@linaro.org>2012-09-20 18:01:15 -0700
commitfaaae9bbb1f91f8bcd03bd9976620ac08d8b4454 (patch)
treeb133efdfdac441b3b1edad1d36838bc7e14c9741 /drivers/power
parentb1ad079680b24386d12aa99dd9afd4eb7093bbee (diff)
lp8727_charger: Use the definition rather than enum
Enum lp8727_chg_state can be removed because only one charger status is used - EOC(End Of Charge). To check whether the EOC is reached or not, use simple comparison rather than shift-operation. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/lp8727_charger.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index 1a5f4b27e001..32bf157f4815 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -55,6 +55,7 @@
#define CHGSTAT (3 << 4)
#define CHPORT (1 << 6)
#define DCPORT (1 << 7)
+#define LP8727_STAT_EOC 0x30
/* STATUS2 register */
#define TEMP_STAT (3 << 5)
@@ -69,13 +70,6 @@ enum lp8727_dev_id {
ID_MAX,
};
-enum lp8727_chg_stat {
- PRECHG,
- CC,
- CV,
- EOC,
-};
-
enum lp8727_die_temp {
LP8788_TEMP_75C,
LP8788_TEMP_95C,
@@ -348,10 +342,10 @@ static int lp8727_battery_get_property(struct power_supply *psy,
case POWER_SUPPLY_PROP_STATUS:
if (lp8727_is_charger_attached(psy->name, pchg->devid)) {
lp8727_read_byte(pchg, STATUS1, &read);
- if (((read & CHGSTAT) >> 4) == EOC)
- val->intval = POWER_SUPPLY_STATUS_FULL;
- else
- val->intval = POWER_SUPPLY_STATUS_CHARGING;
+
+ val->intval = (read & CHGSTAT) == LP8727_STAT_EOC ?
+ POWER_SUPPLY_STATUS_FULL :
+ POWER_SUPPLY_STATUS_CHARGING;
} else {
val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
}