From 27ad822a447374facc721122bcbe576555c40197 Mon Sep 17 00:00:00 2001
From: Frank Gevaerts <frank@gevaerts.be>
Date: Wed, 4 Jun 2008 18:55:58 +0000
Subject: add usb_allowed_current() function, so powermanagement code can know
 when it's allowed to charge from usb

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17688 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/usb_core.h   |  5 +++++
 firmware/usbstack/usb_core.c | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/firmware/export/usb_core.h b/firmware/export/usb_core.h
index 3629645d53..a6cf086e18 100644
--- a/firmware/export/usb_core.h
+++ b/firmware/export/usb_core.h
@@ -57,5 +57,10 @@ int usb_core_ack_control(struct usb_ctrlrequest* req);
 #ifdef HAVE_HOTSWAP
 void usb_core_hotswap_event(int volume,bool inserted);
 #endif
+
+#ifdef HAVE_USB_POWER
+unsigned short usb_allowed_current(void);
+#endif
+
 #endif
 
diff --git a/firmware/usbstack/usb_core.c b/firmware/usbstack/usb_core.c
index 759a342dd2..654ed95b4d 100644
--- a/firmware/usbstack/usb_core.c
+++ b/firmware/usbstack/usb_core.c
@@ -726,3 +726,16 @@ int usb_core_ack_control(struct usb_ctrlrequest* req)
         return usb_drv_send(EP_CONTROL, NULL, 0);
 }
 
+#ifdef HAVE_USB_POWER
+unsigned short usb_allowed_current()
+{
+    if (usb_state == CONFIGURED)
+    {
+        return 500;
+    }
+    else
+    {
+        return 100;
+    }
+}
+#endif
-- 
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