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Subject[PATCH 2/3] bluetooth: hci_ll: add constant for vendor-specific command
Date
This adds a #define for the vendor-specific HCI command to set the
baudrate instead of using the bare 0xff36 multiple times.

Signed-off-by: David Lechner <david@lechnology.com>
---
drivers/bluetooth/hci_ll.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
index 447abea..974a788 100644
--- a/drivers/bluetooth/hci_ll.c
+++ b/drivers/bluetooth/hci_ll.c
@@ -56,6 +56,9 @@

#include "hci_uart.h"

+/* Vendor-specific HCI commands */
+#define HCI_VS_UPDATE_UART_HCI_BAUDRATE 0xff36
+
/* HCILL commands */
#define HCILL_GO_TO_SLEEP_IND 0x30
#define HCILL_GO_TO_SLEEP_ACK 0x31
@@ -620,7 +623,7 @@ static int download_firmware(struct ll_device *lldev)
case ACTION_SEND_COMMAND: /* action send */
bt_dev_dbg(lldev->hu.hdev, "S");
cmd = (struct hci_command *)action_ptr;
- if (cmd->opcode == 0xff36) {
+ if (cmd->opcode == HCI_VS_UPDATE_UART_HCI_BAUDRATE) {
/* ignore remote change
* baud rate HCI VS command
*/
@@ -704,7 +707,10 @@ static int ll_setup(struct hci_uart *hu)
speed = 0;

if (speed) {
- struct sk_buff *skb = __hci_cmd_sync(hu->hdev, 0xff36, sizeof(speed), &speed, HCI_INIT_TIMEOUT);
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync(hu->hdev, HCI_VS_UPDATE_UART_HCI_BAUDRATE,
+ sizeof(speed), &speed, HCI_INIT_TIMEOUT);
if (!IS_ERR(skb)) {
kfree_skb(skb);
serdev_device_set_baudrate(serdev, speed);
--
2.7.4
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