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>

1 files changed, 11 insertions, 12 deletions

diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index c342f79cb588..a941e6a66996 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);