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authorMarcel Holtmann <marcel@holtmann.org>2014-07-12 23:20:50 +0200
committerJohan Hedberg <johan.hedberg@intel.com>2014-07-13 08:49:04 +0300
commit15a49cca98c3380271ced8db2ea69ee95db5c709 (patch)
tree54f8f84ca54cdd38b72234e5e101c7d2f8fc558d /net/bluetooth
parentc7e0c14115db67063a5f68fd9d4a12a54e649dc7 (diff)
downloadtalos-op-linux-15a49cca98c3380271ced8db2ea69ee95db5c709.tar.gz
talos-op-linux-15a49cca98c3380271ced8db2ea69ee95db5c709.zip
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>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_core.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 347f84fb66f9..b29a984f7dd4 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1348,9 +1348,6 @@ static void le_setup(struct hci_request *req)
/* 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 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
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);
}
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