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

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Date:	Mon,  4 Oct 2010 10:51:37 +0300
From:	"Krogerus Heikki (EXT-Teleca/Helsinki)" 
	<ext-heikki.krogerus@...ia.com>
To:	cbouatmailru@...il.com
Cc:	linux-kernel@...r.kernel.org, ext-heikki.krogerus@...ia.com
Subject: [PATCH 1/2] power_supply: add types for USB chargers

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

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

Signed-off-by: Heikki Krogerus <ext-heikki.krogerus@...ia.com>
---
 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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