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>

2 files changed, 8 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 88cbbda61027..348f4bfeaadb 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -932,6 +932,12 @@ struct hci_rp_le_read_buffer_size {
         __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;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 00abc5246cbf..5ab80b7e8369 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -278,6 +278,8 @@ struct hci_dev {
         struct work_struct      le_scan;
         struct le_scan_params   le_scan_params;
 
+        __s8                    adv_tx_power;
+
         int (*open)(struct hci_dev *hdev);
         int (*close)(struct hci_dev *hdev);
         int (*flush)(struct hci_dev *hdev);