emulator/btdev: Add support LE_READ_TX_POWER command

This patch adds support for LE_READ_TX_POWER command.
It uses a random values for min and max tx power since these values is
read from the controller.

Signed-off-by: Anuj Jain <anuj01.jain@samsung.com>
Signed-off-by: Ayush Garg <ayush.garg@samsung.com>

diff --git a/emulator/btdev.c b/emulator/btdev.c
index ae382d9..17965f9 100755 (executable)
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -4170,6 +4170,22 @@ static int cmd_read_per_adv_list_size(struct btdev *dev, const void *data,
        return -ENOTSUP;
 }
 
+static int cmd_read_tx_power(struct btdev *dev, const void *data, uint8_t len)
+{
+       struct bt_hci_rsp_le_read_tx_power rsp;
+
+       memset(&rsp, 0, sizeof(rsp));
+
+       rsp.status = BT_HCI_ERR_SUCCESS;
+       /* a random default value */
+       rsp.max_tx_power = 0x07;
+       rsp.min_tx_power = 0xDE;
+
+       cmd_complete(dev, BT_HCI_CMD_LE_READ_TX_POWER, &rsp, sizeof(rsp));
+
+       return 0;
+}
+
 #define CMD_LE_50 \
        CMD(BT_HCI_CMD_LE_SET_DEFAULT_PHY, cmd_set_default_phy, NULL), \
        CMD(BT_HCI_CMD_LE_SET_ADV_SET_RAND_ADDR, cmd_set_adv_rand_addr, NULL), \
@@ -4205,7 +4221,8 @@ static int cmd_read_per_adv_list_size(struct btdev *dev, const void *data,
                                        NULL), \
        CMD(BT_HCI_CMD_LE_CLEAR_PERIODIC_ADV_LIST, cmd_per_adv_clear, NULL), \
        CMD(BT_HCI_CMD_LE_READ_PERIODIC_ADV_LIST_SIZE, \
-                                       cmd_read_per_adv_list_size, NULL)
+                                       cmd_read_per_adv_list_size, NULL), \
+       CMD(BT_HCI_CMD_LE_READ_TX_POWER, cmd_read_tx_power, NULL)
 
 static const struct btdev_cmd cmd_le_5_0[] = {
        CMD_COMMON_ALL,
@@ -4240,6 +4257,7 @@ static void set_le_50_commands(struct btdev *btdev)
        btdev->commands[38] |= 0x10;    /* LE Remove Periodic Adv List */
        btdev->commands[38] |= 0x20;    /* LE Clear Periodic Adv List */
        btdev->commands[38] |= 0x40;    /* LE Read Periodic Adv List Size */
+       btdev->commands[38] |= 0x80;    /* LE Read Transmit Power */
        btdev->cmds = cmd_le_5_0;
 }