Bluetooth: Store max TX power level for connection
This patch adds support to store local maximum TX power level for connection when reply for HCI_Read_Transmit_Power_Level is received. Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -382,6 +382,7 @@ struct hci_conn {
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__u16 le_conn_max_interval;
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__s8 rssi;
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__s8 tx_power;
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__s8 max_tx_power;
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unsigned long flags;
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unsigned long conn_info_timestamp;
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@ -408,6 +408,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
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conn->remote_auth = 0xff;
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conn->key_type = 0xff;
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conn->tx_power = HCI_TX_POWER_INVALID;
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conn->max_tx_power = HCI_TX_POWER_INVALID;
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set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
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conn->disc_timeout = HCI_DISCONN_TIMEOUT;
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@ -1282,9 +1282,19 @@ static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb)
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hci_dev_lock(hdev);
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conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
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if (conn && sent->type == 0x00)
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conn->tx_power = rp->tx_power;
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if (!conn)
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goto unlock;
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switch (sent->type) {
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case 0x00:
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conn->tx_power = rp->tx_power;
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break;
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case 0x01:
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conn->max_tx_power = rp->tx_power;
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break;
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}
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unlock:
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hci_dev_unlock(hdev);
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}
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