diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2011-08-17 13:20:21 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@stericsson.com> | 2011-09-19 16:00:12 +0200 |
| commit | 676dee912cf72a27b137818b56a2b6ead1000712 (patch) | |
| tree | 0a98860fed4122b52bf1f24d2c1111aea8248980 /drivers/mfd | |
| parent | 31070b312162b3895d3bf90d7197e0118168f1a3 (diff) | |
MFD: AB8500: If a charger is present, reboot instead
If a changer is present on power off, reboot the system
instead of powering it off.
ST-Ericsson ID: 354056
ST-Ericsson Linux next: -
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I03a2a91936219db040f55fa7cd833fdbe5a05657
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/28933
Reviewed-by: Karl KOMIEROWSKI <karl.komierowski@stericsson.com>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index e6de6a279a5..99ddb353984 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -7,7 +7,9 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/pm.h> +#include <linux/reboot.h> #include <linux/signal.h> +#include <linux/power_supply.h> #include <linux/mfd/ab8500.h> #include <linux/mfd/abx500.h> #include <linux/mfd/ab8500/sysctrl.h> @@ -18,6 +20,31 @@ void ab8500_power_off(void) { sigset_t old; sigset_t all; + static char *pss[] = {"ab8500_ac", "ab8500_usb"}; + int i; + + /* + * If we have a charger connected and we're powering off, + * reboot into charge-only mode. + */ + + for (i = 0; i < ARRAY_SIZE(pss); i++) { + union power_supply_propval val; + struct power_supply *psy; + int ret; + + psy = power_supply_get_by_name(pss[i]); + if (!psy) + continue; + ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val); + + if (!ret && val.intval) { + printk(KERN_INFO + "Charger \"%s\" is connected. Rebooting.\n", + pss[i]); + machine_restart(NULL); + } + } sigfillset(&all); |