ab8500-btemp: Defer btemp filtering while initialising

Due to btemp filtering enabled during init, temp values reported
to charge algorithm driver started from 0. As a result,charge
algorithm was going into wrong state and charging was stopped.

Signed-off-by: Rupesh Kumar <rupesh.kumar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Marcus COOPER <marcus.xm.cooper@stericsson.com>
Reviewed-by: Martin SJOBLOM <martin.w.sjoblom@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>

diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index fa60e3ac33a3a9014cde18010faf6574e342228b..91ad3edf61974b11bf51dbead4942a29de409981 100644 (file)
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -609,7 +609,6 @@ static void ab8500_btemp_periodic_work(struct work_struct *work)
                struct ab8500_btemp, btemp_periodic_work.work);
 
        if (!di->initialized) {
-               di->initialized = true;
                /* Identify the battery */
                if (ab8500_btemp_id(di) < 0)
                        dev_warn(di->dev, "failed to identify the battery\n");
@@ -622,8 +621,9 @@ static void ab8500_btemp_periodic_work(struct work_struct *work)
         * same temperature. Else only allow 1 degree change from previous
         * reported value in the direction of the new measurement.
         */
-       if (bat_temp == di->prev_bat_temp || !di->initialized) {
-               if (di->bat_temp != di->prev_bat_temp || !di->initialized) {
+       if ((bat_temp == di->prev_bat_temp) || !di->initialized) {
+               if ((di->bat_temp != di->prev_bat_temp) || !di->initialized) {
+                       di->initialized = true;
                        di->bat_temp = bat_temp;
                        power_supply_changed(&di->btemp_psy);
                }