Bluetooth: Keep master role when SCO or eSCO is active
This improves compatbility with a lot of headset / chipset combinations. Ideally this should not be needed. Change-Id: I8b676701e12e416aa7d60801b9d353b15d102709 Signed-off-by: hyungseoung.yoo <hyungseoung.yoo@samsung.com> Signed-off-by: Jaikumar Ganesh <jaikumarg@android.com>
This commit is contained in:
committed by
Stephen Boyd
parent
f8b7075b04
commit
fa388f3bbd
12
net/bluetooth/hci_event.c
Normal file → Executable file
12
net/bluetooth/hci_event.c
Normal file → Executable file
@@ -1674,6 +1674,15 @@ unlock:
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hci_conn_check_pending(hdev);
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}
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static inline bool is_sco_active(struct hci_dev *hdev)
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{
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if (hci_conn_hash_lookup_state(hdev, SCO_LINK, BT_CONNECTED) ||
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(hci_conn_hash_lookup_state(hdev, ESCO_LINK,
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BT_CONNECTED)))
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return true;
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return false;
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}
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static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
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{
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struct hci_ev_conn_request *ev = (void *) skb->data;
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@@ -1719,7 +1728,8 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
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bacpy(&cp.bdaddr, &ev->bdaddr);
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if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
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if (lmp_rswitch_capable(hdev) && ((mask & HCI_LM_MASTER)
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|| is_sco_active(hdev)))
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cp.role = 0x00; /* Become master */
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else
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cp.role = 0x01; /* Remain slave */
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