1 files changed, 65 insertions, 0 deletions

diff --git a/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/omap3-touchbook/0004-bq27x00_battery-add-charged-gpio.patch b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/omap3-touchbook/0004-bq27x00_battery-add-charged-gpio.patch
new file mode 100644
index 00000000..759525f2
--- /dev/null
+++ b/extras/recipes-kernel/linux/linux-omap-psp-2.6.32/omap3-touchbook/0004-bq27x00_battery-add-charged-gpio.patch
@@ -0,0 +1,65 @@
+From 829d500667448b7ea9465615261a988adc3aa645 Mon Sep 17 00:00:00 2001
+From: Gregoire Gentil <gregoire@gentil.com>
+Date: Fri, 12 Mar 2010 11:42:45 +0100
+Subject: [PATCH 04/17] bq27x00_battery: add charged gpio
+
+---
+ drivers/power/bq27x00_battery.c |   21 +++++++++++++++++++++
+ 1 files changed, 21 insertions(+), 0 deletions(-)
+
+diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
+index 6935bb6..4b80f59 100644
+--- a/drivers/power/bq27x00_battery.c
++++ b/drivers/power/bq27x00_battery.c
+@@ -28,6 +28,7 @@
+ 
+ #define DRIVER_VERSION                 "1.0.0"
+ 
++#define BQ27x00_REG_MODE               0x00
+ #define BQ27x00_REG_TEMP               0x06
+ #define BQ27x00_REG_VOLT               0x08
+ #define BQ27x00_REG_RSOC               0x0B /* Relative State-of-Charge */
+@@ -65,6 +66,7 @@ static enum power_supply_property bq27x00_battery_props[] = {
+        POWER_SUPPLY_PROP_CURRENT_NOW,
+        POWER_SUPPLY_PROP_CAPACITY,
+        POWER_SUPPLY_PROP_TEMP,
++       POWER_SUPPLY_PROP_ONLINE,
+ };
+ 
+ /*
+@@ -83,6 +85,22 @@ static int bq27x00_read(u8 reg, int *rt_value, int b_single,
+ }
+ 
+ /*
++ * Return the GPIO status (0 or 1)
++ * Or < 0 if something fails.
++ */
++static int bq27x00_gpio(struct bq27x00_device_info *di)
++{
++       int ret;
++       int gpio = 0;
++
++       ret = bq27x00_read(BQ27x00_REG_MODE, &gpio, 0, di);
++       if (ret)
++               return ret;
++
++       return (gpio & 0x40) >> 6;
++}
++
++/*
+  * Return the battery temperature in Celsius degrees
+  * Or < 0 if something fails.
+  */
+@@ -184,6 +202,9 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
+        case POWER_SUPPLY_PROP_TEMP:
+                val->intval = bq27x00_battery_temperature(di);
+                break;
++       case POWER_SUPPLY_PROP_ONLINE:
++               val->intval = bq27x00_gpio(di);
++               break;
+        default:
+                return -EINVAL;
+        }
+-- 
+1.6.6.1
+