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>

diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c
index 39a90a6..32ebfd7 100644 (file)
--- 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);