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Bluetooth: Add user readable debug for state changes 

I did this as a part of a testing course at university, but it might be
useful upstream as well.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-11-23 20:11:46 -02:00
parent c6feeb28ae
commit badaaa00f2
1 changed files with 29 additions and 0 deletions
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29
net/bluetooth/l2cap_core.c
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@ -229,8 +229,37 @@ static void l2cap_clear_timer(struct l2cap_chan *chan, struct timer_list *timer)
chan_put(chan);
}
static char *state_to_string(int state)
{
switch(state) {
case BT_CONNECTED:
return "BT_CONNECTED";
case BT_OPEN:
return "BT_OPEN";
case BT_BOUND:
return "BT_BOUND";
case BT_LISTEN:
return "BT_LISTEN";
case BT_CONNECT:
return "BT_CONNECT";
case BT_CONNECT2:
return "BT_CONNECT2";
case BT_CONFIG:
return "BT_CONFIG";
case BT_DISCONN:
return "BT_DISCONN";
case BT_CLOSED:
return "BT_CLOSED";
}
return "invalid state";
}
static void l2cap_state_change(struct l2cap_chan *chan, int state)
{
BT_DBG("%p %s -> %s", chan, state_to_string(chan->state),
state_to_string(state));
chan->state = state;
chan->ops->state_change(chan->data, state);
}