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usb: gadget: android: dump the uevents sent when changing states

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Change-Id: If5011e39f400b3aca036a890b8b932a7606a7ac2
Signed-off-by: Dima Zavin <dima@android.com>
This commit is contained in:
Dima Zavin
2011-09-14 11:52:45 -07:00
parent 21bad758ae
commit fc7534906a
1 changed files with 12 additions and 10 deletions
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22
drivers/usb/gadget/android.c
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@@ -163,22 +163,24 @@ static void android_work(struct work_struct *data)
char *disconnected[2] = { "USB_STATE=DISCONNECTED", NULL };
char *connected[2] = { "USB_STATE=CONNECTED", NULL };
char *configured[2] = { "USB_STATE=CONFIGURED", NULL };
char **uevent_envp = NULL;
unsigned long flags;
spin_lock_irqsave(&cdev->lock, flags);
if (cdev->config) {
spin_unlock_irqrestore(&cdev->lock, flags);
kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE,
configured);
return;
}
if (dev->connected != dev->sw_connected) {
uevent_envp = configured;
} else if (dev->connected != dev->sw_connected) {
dev->sw_connected = dev->connected;
spin_unlock_irqrestore(&cdev->lock, flags);
kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE,
dev->sw_connected ? connected : disconnected);
uevent_envp = dev->sw_connected ? connected : disconnected;
}
spin_unlock_irqrestore(&cdev->lock, flags);
if (uevent_envp) {
kobject_uevent_env(&dev->dev->kobj, KOBJ_CHANGE, uevent_envp);
pr_info("%s: sent uevent %s\n", __func__, uevent_envp[0]);
} else {
spin_unlock_irqrestore(&cdev->lock, flags);
pr_info("%s: did not send uevent (%d %d %p)\n", __func__,
dev->connected, dev->sw_connected, cdev->config);
}
}