apm_power: fix obviously wrong logic for time reporting

Prior to this patch, apm_power was unable to report "to empty"/"to full"
time for batteries that hardware-report these values, such as
Apple PMU batteries.

Signed-off-by: Anton Vorontsov <cbou@mail.ru>

1 files changed, 10 insertions, 12 deletions

diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c
index 39a90a6f0f80..32ebfd76722a 100644
--- a/drivers/power/apm_power.c
+++ b/drivers/power/apm_power.c
@@ -200,19 +200,17 @@ static void apm_battery_apm_get_power_status(struct apm_power_info *info)
         info->units = APM_UNITS_MINS;
 
         if (status.intval == POWER_SUPPLY_STATUS_CHARGING) {
-                if (MPSY_PROP(TIME_TO_FULL_AVG, &time_to_full)) {
-                        if (MPSY_PROP(TIME_TO_FULL_NOW, &time_to_full))
-                                info->time = calculate_time(status.intval);
-                        else
-                                info->time = time_to_full.intval / 60;
-                }
+                if (!MPSY_PROP(TIME_TO_FULL_AVG, &time_to_full) ||
+                                !MPSY_PROP(TIME_TO_FULL_NOW, &time_to_full))
+                        info->time = time_to_full.intval / 60;
+                else
+                        info->time = calculate_time(status.intval);
         } else {
-                if (MPSY_PROP(TIME_TO_EMPTY_AVG, &time_to_empty)) {
-                        if (MPSY_PROP(TIME_TO_EMPTY_NOW, &time_to_empty))
-                                info->time = calculate_time(status.intval);
-                        else
-                                info->time = time_to_empty.intval / 60;
-                }
+                if (!MPSY_PROP(TIME_TO_EMPTY_AVG, &time_to_empty) ||
+                                !MPSY_PROP(TIME_TO_EMPTY_NOW, &time_to_empty))
+                        info->time = time_to_empty.intval / 60;
+                else
+                        info->time = calculate_time(status.intval);
         }
 
         up(&power_supply_class->sem);