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Compute mean percentage for multiple batteries.

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If a laptop has multiple batteries, compute the mean percentage if the
user asks for 'all' instead of a specific battery.
This commit is contained in:
Vilmos Nebehaj 2014-03-09 14:03:36 +01:00
parent 120d6e1f94
commit ad92c60d6b
1 changed files with 18 additions and 1 deletions
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19
src/linux.cc
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@ -2095,7 +2095,8 @@ void get_battery_short_status(char *buffer, unsigned int n, const char *bat)
int get_battery_perct(const char *bat) int get_battery_perct(const char *bat)
{ {
static int rep = 0; static int rep = 0;
int idx; int idx, n = 0, total_capacity = 0;
char battery[8];
char acpi_path[128]; char acpi_path[128];
char sysfs_path[128]; char sysfs_path[128];
int remaining_capacity = -1; int remaining_capacity = -1;
@ -2105,6 +2106,22 @@ int get_battery_perct(const char *bat)
init_batteries(); init_batteries();
if (!strcmp(bat, "all")) {
for (idx = 0; idx < MAX_BATTERY_COUNT; idx++) {
snprintf(battery, sizeof(battery) - 1, "BAT%d", idx);
remaining_capacity = get_battery_perct(battery);
if (remaining_capacity > 0) {
total_capacity += remaining_capacity;
n++;
}
}
if (n == 0)
return 0;
else
return total_capacity / n;
}
idx = get_battery_idx(bat); idx = get_battery_idx(bat);
/* don't update battery too often */ /* don't update battery too often */