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power_supply: Add watchdog and safety timer expiries under PROP_HEALTH_*

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As most of the charger chips come with two kinds of safety features
related to timing:

1. Watchdog Timer (interms of seconds/mins)
2. Safety Timer (interms of hours)

This patch adds these to fault causes in POWER_SUPPLY_PROP_HEALTH_* enums
so that whenever there is either watchdog timeout or safety timer timeout
driver could notify the user space accurately about the fault and will
also be helpful for debug.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
This commit is contained in:
Ramakrishna Pallala 2012-11-30 13:57:46 +05:30 committed by Anton Vorontsov
parent a9672e1356
commit a05be99174
2 changed files with 4 additions and 1 deletions
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3
drivers/power/power_supply_sysfs.c
View File

@ -55,7 +55,8 @@ static ssize_t power_supply_show_property(struct device *dev,
};
static char *health_text[] = {
"Unknown", "Good", "Overheat", "Dead", "Over voltage",
"Unspecified failure", "Cold",
"Unspecified failure", "Cold", "Watchdog timer expire",
"Safety timer expire"
};
static char *technology_text[] = {
"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd",

2
include/linux/power_supply.h
View File

@ -54,6 +54,8 @@ enum {
POWER_SUPPLY_HEALTH_OVERVOLTAGE,
POWER_SUPPLY_HEALTH_UNSPEC_FAILURE,
POWER_SUPPLY_HEALTH_COLD,
POWER_SUPPLY_HEALTH_WATCHDOG_TIMER_EXPIRE,
POWER_SUPPLY_HEALTH_SAFETY_TIMER_EXPIRE,
};
enum {