Bluetooth: Read adversiting channel TX power during init sequence

This patch adds the reading of the LE advertising channel TX power to
the HCI init sequence of LE-capable controllers. This data will be used
e.g. for inclusion in the advertising data packets when advertising is
enabled.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 88cbbda..348f4bf 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -932,6 +932,12 @@
 	__u8     le_max_pkt;
 } __packed;
 
+#define HCI_OP_LE_READ_ADV_TX_POWER	0x2007
+struct hci_rp_le_read_adv_tx_power {
+	__u8	status;
+	__s8	tx_power;
+} __packed;
+
 #define HCI_OP_LE_SET_SCAN_PARAM	0x200b
 struct hci_cp_le_set_scan_param {
 	__u8    type;