Clarify usb_powered() and fix some code.

Either by mistake or because its meaning changed, usb_powered() doesn't mean
what the name suggest, so clarify its meaning by renaming it to usb_powered_only.
So use of usb_powered() are replaced by usb_inserted() when it makes more sense.

Change-Id: I112887e2d8560e84587bee5f55c826dde8c806d8
Reviewed-on: http://gerrit.rockbox.org/1097
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/firmware/powermgmt.c b/firmware/powermgmt.c
index a4b260b315..61cf1b34c4 100644
--- a/firmware/powermgmt.c
+++ b/firmware/powermgmt.c
@@ -329,9 +329,9 @@ static int runcurrent(void)
     if (usb_inserted()
 #ifdef HAVE_USB_POWER
     #if (CURRENT_USB < CURRENT_NORMAL)
-       || usb_powered()
+       || usb_powered_only()
     #else
-       && !usb_powered()
+       && !usb_powered_only()
     #endif
 #endif
     ) {