summaryrefslogtreecommitdiff
path: root/drivers/power/ab8500_charger.c
diff options
context:
space:
mode:
authorPaer-Olof Haakansson <par-olof.hakansson@stericsson.com>2013-01-11 13:12:49 +0000
committerAnton Vorontsov <anton@enomsg.org>2013-01-15 17:10:16 -0800
commitdefbfa9cf879c8e7dde6f7ee9aa95a010efa2e34 (patch)
treee0eba16415ae15256e5917c42510a6048fef34be /drivers/power/ab8500_charger.c
parentc4f3422630464d231c14c8b9e585c23fcfe3436c (diff)
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>
Diffstat (limited to 'drivers/power/ab8500_charger.c')
-rw-r--r--drivers/power/ab8500_charger.c23
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);