From: Paer-Olof Haakansson <par-olof.hakansson@stericsson.com>
Date: Fri, 11 Jan 2013 13:12:49 +0000 (+0000)
Subject: ab8500_charger: Rename the power_loss function
X-Git-Tag: upstream/snapshot3+hdmi~5720^2~28
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=defbfa9cf879c8e7dde6f7ee9aa95a010efa2e34;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ab8500_charger: Rename the power_loss function

Rename the ab8500_power_loss_handling function to a more
descriptive name ab8500_enable_disable_sw_fallback

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Robert Marklund <robert.marklund@stericsson.com>
Reviewed-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Tested-by: Par-Olof HAKANSSON <par-olof.hakansson@stericsson.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
---

diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index c342f79..a941e6a 100644
--- a/drivers/power/ab8500_charger.c
+++ b/drivers/power/ab8500_charger.c
@@ -270,20 +270,19 @@ static enum power_supply_property ab8500_charger_usb_props[] = {
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 };
 
-/**
- * ab8500_power_loss_handling - set how we handle powerloss.
- * @di:		pointer to the ab8500_charger structure
- *
- * Magic nummbers are from STE HW department.
+/*
+ * Function for enabling and disabling sw fallback mode
+ * should always be disabled when no charger is connected.
  */
-static void ab8500_power_loss_handling(struct ab8500_charger *di)
+static void ab8500_enable_disable_sw_fallback(struct ab8500_charger *di,
+		bool fallback)
 {
 	u8 reg;
 	int ret;
 
-	dev_dbg(di->dev, "Autopower : %d\n", di->autopower);
+	dev_dbg(di->dev, "SW Fallback: %d\n", fallback);
 
-	/* read the autopower register */
+	/* read the register containing fallback bit */
 	ret = abx500_get_register_interruptible(di->dev, 0x15, 0x00, &reg);
 	if (ret) {
 		dev_err(di->dev, "%d write failed\n", __LINE__);
@@ -297,12 +296,12 @@ static void ab8500_power_loss_handling(struct ab8500_charger *di)
 		return;
 	}
 
-	if (di->autopower)
+	if (fallback)
 		reg |= 0x8;
 	else
 		reg &= ~0x8;
 
-	/* write back the changed value to autopower reg */
+	/* write back the changed fallback bit value to register */
 	ret = abx500_set_register_interruptible(di->dev, 0x15, 0x00, reg);
 	if (ret) {
 		dev_err(di->dev, "%d write failed\n", __LINE__);
@@ -332,12 +331,12 @@ static void ab8500_power_supply_changed(struct ab8500_charger *di,
 		    !di->ac.charger_connected &&
 		    di->autopower) {
 			di->autopower = false;
-			ab8500_power_loss_handling(di);
+			ab8500_enable_disable_sw_fallback(di, false);
 		} else if (!di->autopower &&
 			   (di->ac.charger_connected ||
 			    di->usb.charger_connected)) {
 			di->autopower = true;
-			ab8500_power_loss_handling(di);
+			ab8500_enable_disable_sw_fallback(di, true);
 		}
 	}
 	power_supply_changed(psy);