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| author | Paer-Olof Haakansson <par-olof.hakansson@stericsson.com> | 2013-01-11 14:12:49 +0100 |
|---|---|---|
| committer | Anton Vorontsov <anton@enomsg.org> | 2013-01-16 02:10:16 +0100 |
| commit | defbfa9cf879c8e7dde6f7ee9aa95a010efa2e34 (patch) | |
| tree | e0eba16415ae15256e5917c42510a6048fef34be /drivers/power | |
| parent | da9052-battery: Avoid out-of-range array access (diff) | |
| download | linux-defbfa9cf879c8e7dde6f7ee9aa95a010efa2e34.tar.xz linux-defbfa9cf879c8e7dde6f7ee9aa95a010efa2e34.zip | |
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')
| -rw-r--r-- | drivers/power/ab8500_charger.c | 23 |
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, ®); 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); |