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power_supply: add few more values and props

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Add LiMn (one of the most common for small non-rechargable batteries)
battery technology and voltage_min/_max properties support.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Anton Vorontsov <cbou@mail.ru>
This commit is contained in:
Dmitry Baryshkov
2008-01-07 04:12:41 +03:00
committed by Anton Vorontsov
parent 9ef4510626
commit c7cc930f9a
3 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/power_supply_class.txt
View File

@@ -87,6 +87,10 @@ batteries use voltage for very approximated calculation of capacity.
Battery driver also can use this attribute just to inform userspace Battery driver also can use this attribute just to inform userspace
about maximal and minimal voltage thresholds of a given battery. about maximal and minimal voltage thresholds of a given battery.
VOLTAGE_MAX, VOLTAGE_MIN - same as _DESIGN voltage values except that
these ones should be used if hardware could only guess (measure and
retain) the thresholds of a given power supply.
CHARGE_FULL_DESIGN, CHARGE_EMPTY_DESIGN - design charge values, when CHARGE_FULL_DESIGN, CHARGE_EMPTY_DESIGN - design charge values, when
battery considered full/empty. battery considered full/empty.

5
drivers/power/power_supply_sysfs.c
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@@ -48,7 +48,8 @@ static ssize_t power_supply_show_property(struct device *dev,
"Unspecified failure" "Unspecified failure"
}; };
static char *technology_text[] = { static char *technology_text[] = {
"Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd" "Unknown", "NiMH", "Li-ion", "Li-poly", "LiFe", "NiCd",
"LiMn"
}; };
ssize_t ret; ssize_t ret;
struct power_supply *psy = dev_get_drvdata(dev); struct power_supply *psy = dev_get_drvdata(dev);
@@ -84,6 +85,8 @@ static struct device_attribute power_supply_attrs[] = {
POWER_SUPPLY_ATTR(present), POWER_SUPPLY_ATTR(present),
POWER_SUPPLY_ATTR(online), POWER_SUPPLY_ATTR(online),
POWER_SUPPLY_ATTR(technology), POWER_SUPPLY_ATTR(technology),
POWER_SUPPLY_ATTR(voltage_max),
POWER_SUPPLY_ATTR(voltage_min),
POWER_SUPPLY_ATTR(voltage_max_design), POWER_SUPPLY_ATTR(voltage_max_design),
POWER_SUPPLY_ATTR(voltage_min_design), POWER_SUPPLY_ATTR(voltage_min_design),
POWER_SUPPLY_ATTR(voltage_now), POWER_SUPPLY_ATTR(voltage_now),

3
include/linux/power_supply.h
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@@ -54,6 +54,7 @@ enum {
POWER_SUPPLY_TECHNOLOGY_LIPO, POWER_SUPPLY_TECHNOLOGY_LIPO,
POWER_SUPPLY_TECHNOLOGY_LiFe, POWER_SUPPLY_TECHNOLOGY_LiFe,
POWER_SUPPLY_TECHNOLOGY_NiCd, POWER_SUPPLY_TECHNOLOGY_NiCd,
POWER_SUPPLY_TECHNOLOGY_LiMn,
}; };
enum power_supply_property { enum power_supply_property {
@@ -63,6 +64,8 @@ enum power_supply_property {
POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_TECHNOLOGY, POWER_SUPPLY_PROP_TECHNOLOGY,
POWER_SUPPLY_PROP_VOLTAGE_MAX,
POWER_SUPPLY_PROP_VOLTAGE_MIN,
POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_VOLTAGE_NOW,