Commit f7faab0c authored by Andrzej Kaczmarek's avatar Andrzej Kaczmarek Committed by Marcel Holtmann
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Bluetooth: Avoid polling TX power for LE links 



TX power for LE links is immutable thus we do not need to query for it
if already have value.

Signed-off-by: default avatarAndrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent dd983808

net/bluetooth/mgmt.c

+10 −4
Original line number Diff line number Diff line
@@ -4717,10 +4717,16 @@ static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data, 
		hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),

			    &req_rssi_cp);



		/* For LE links TX power does not change thus we don't need to

		 * query for it once value is known.

		 */

		if (!bdaddr_type_is_le(cp->addr.type) ||

		    conn->tx_power == HCI_TX_POWER_INVALID) {

			req_txp_cp.handle = cpu_to_le16(conn->handle);

			req_txp_cp.type = 0x00;

			hci_req_add(&req, HCI_OP_READ_TX_POWER,

				    sizeof(req_txp_cp), &req_txp_cp);

		}



		err = hci_req_run(&req, conn_info_refresh_complete);

		if (err < 0)