diff --git a/drivers/power/pm8921-bms.c b/drivers/power/pm8921-bms.c
index 2e80692935e..93de829c829 100644
--- a/drivers/power/pm8921-bms.c
+++ b/drivers/power/pm8921-bms.c
@@ -1893,7 +1893,7 @@ static int __devinit pm8921_bms_probe(struct platform_device *pdev)
 	INIT_DELAYED_WORK(&chip->calib_ccadc_work, calibrate_ccadc_work);
 	/* begin calibration only on chips > 2.0 */
 	if (chip->revision >= PM8XXX_REVISION_8921_2p0)
-		calibrate_ccadc_work(&(chip->calib_ccadc_work.work));
+		schedule_delayed_work(&chip->calib_ccadc_work, 0);
 
 	/* initial hkadc calibration */
 	schedule_work(&chip->calib_hkadc_work);
diff --git a/drivers/power/pm8xxx-ccadc.c b/drivers/power/pm8xxx-ccadc.c
index 17cf53a0ad4..c95fd93af95 100644
--- a/drivers/power/pm8xxx-ccadc.c
+++ b/drivers/power/pm8xxx-ccadc.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -209,7 +209,7 @@ static int calib_start_conv(struct pm8xxx_ccadc_chip *chip,
 			return rc;
 		}
 		if ((reg & (START_CONV_BIT | EOC_CONV_BIT)) != EOC_CONV_BIT)
-			msleep(60);
+			msleep(20);
 		else
 			break;
 	}