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Submit FS#10718. Small fix to calculation of estimated runtime to avoid negative results.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24146 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-01-02 20:24:25 +00:00
parent 3b79698f19
commit 420b4e4be9
1 changed files with 3 additions and 6 deletions
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9
firmware/powermgmt.c
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@ -282,17 +282,14 @@ static void battery_status_update(void)
else
#endif
/* discharging: remaining running time */
if ((battery_millivolts + 20) > percent_to_volt_discharge[0][0]) {
if (battery_millivolts > percent_to_volt_discharge[0][0]) {
/* linear extrapolation */
powermgmt_est_runningtime_min = (level + battery_percent)*60
* battery_capacity / 200 / runcurrent();
}
else if (battery_millivolts <= battery_level_shutoff[0]) {
if (0 > powermgmt_est_runningtime_min) {
powermgmt_est_runningtime_min = 0;
}
else {
powermgmt_est_runningtime_min =
(battery_millivolts - battery_level_shutoff[0]) / 2;
}
battery_percent = level;
send_battery_level_event();