This allows user space application to set final speed requested for UART
device. UART port is open at init speed by user space application.
Signed-off-by: Frederic Danis <frederic.danis@xxxxxxxxxxxxxxx>
---
drivers/bluetooth/hci_ldisc.c | 6 ++++++
drivers/bluetooth/hci_uart.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 5c9a73f..190a7f8 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -609,6 +609,12 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file *file,
case HCIUARTGETFLAGS:
return hu->hdev_flags;
+ case HCIUARTSETBAUDRATE:
+ if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
+ return -EBUSY;
+ hu->speed = arg;
+ break;
+
default:
err = n_tty_ioctl_helper(tty, file, cmd, arg);
break;
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 72120a5..09a47b4 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -33,6 +33,7 @@
#define HCIUARTGETDEVICE _IOR('U', 202, int)
#define HCIUARTSETFLAGS _IOW('U', 203, int)
#define HCIUARTGETFLAGS _IOR('U', 204, int)
+#define HCIUARTSETBAUDRATE _IOW('U', 205, int)
/* UART protocols */
#define HCI_UART_MAX_PROTO 8
@@ -72,6 +73,7 @@ struct hci_uart {
struct hci_dev *hdev;
unsigned long flags;
unsigned long hdev_flags;
+ unsigned long speed;
struct work_struct init_ready;
struct work_struct write_work;
--
1.9.1
--
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