Bluetooth: Read LE Advertising Channel TX Power only when available
The Read LE Advertising Channel TX Power command is not mandatory for
a Bluetooth HCI controller only supporting receiption. Move the command
to the third stage of the controller initialization and only execute it
when support for it has been indicated.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 347f84f..b29a984 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1348,9 +1348,6 @@
/* Read LE Supported States */
hci_req_add(req, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL);
- /* Read LE Advertising Channel TX Power */
- hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
-
/* Read LE White List Size */
hci_req_add(req, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL);
@@ -1657,6 +1654,11 @@
hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, sizeof(events),
events);
+ if (hdev->commands[25] & 0x40) {
+ /* Read LE Advertising Channel TX Power */
+ hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
+ }
+
hci_set_le_support(req);
}