[PATCH 1/2] power_supply: add types for USB chargers

From: Krogerus Heikki (EXT-Teleca/Helsinki)
Date: Mon Oct 04 2010 - 03:52:22 EST


From: Heikki Krogerus <ext-heikki.krogerus@xxxxxxxxx>

This adds power supply types for USB chargers defined in
Battery Charging Specification 1.1.

Signed-off-by: Heikki Krogerus <ext-heikki.krogerus@xxxxxxxxx>
---
drivers/power/power_supply_sysfs.c | 3 ++-
include/linux/power_supply.h | 5 ++++-
2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index 9d30eeb..88f5e43 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -42,7 +42,8 @@ static ssize_t power_supply_show_property(struct device *dev,
struct device_attribute *attr,
char *buf) {
static char *type_text[] = {
- "Battery", "UPS", "Mains", "USB"
+ "Battery", "UPS", "Mains", "USB",
+ "USB_DCP", "USB_CDP", "USB_ACA"
};
static char *status_text[] = {
"Unknown", "Charging", "Discharging", "Not charging", "Full"
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 30083a8..d37fef6 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -125,7 +125,10 @@ enum power_supply_type {
POWER_SUPPLY_TYPE_BATTERY = 0,
POWER_SUPPLY_TYPE_UPS,
POWER_SUPPLY_TYPE_MAINS,
- POWER_SUPPLY_TYPE_USB,
+ POWER_SUPPLY_TYPE_USB, /* Standard Downstream Port */
+ POWER_SUPPLY_TYPE_USB_DCP, /* Dedicated Charging Port */
+ POWER_SUPPLY_TYPE_USB_CDP, /* Charging Downstream Port */
+ POWER_SUPPLY_TYPE_USB_ACA, /* Accessory Charger Adapters */
};

union power_supply_propval {
--
1.7.0.4

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