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[21/40] ab8500-btemp: Defer btemp filtering while initialising

Message ID 1360932310-30065-22-git-send-email-lee.jones@linaro.org
State Accepted
Commit 2c4c40ac0052eaf9b14009635ab475362e88c6e0
Headers show

Commit Message

Lee Jones Feb. 15, 2013, 12:44 p.m. UTC 
From: Rupesh Kumar <rupesh.kumar@stericsson.com>

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>
---
 drivers/power/ab8500_btemp.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index fa60e3a..91ad3ed 100644
--- 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);
 		}