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[Bluetooth] Add HCIUARTGETDEVICE support for HCI line discipline

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Adding HCIUARTGETDEVICE makes it possible to get the HCI device number
that is attached to a given serial device. This is required during the
initialization process of some Bluetooth chips.

Signed-off-by: Ohad Ben-Cohen <ohad@bencohen.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2007-05-09 09:15:35 +02:00 committed by David S. Miller
parent 5be3946647
commit d215874460
2 changed files with 8 additions and 2 deletions
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5
drivers/bluetooth/hci_ldisc.c
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@ -479,6 +479,11 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file,
return hu->proto->id;
return -EUNATCH;
case HCIUARTGETDEVICE:
if (test_bit(HCI_UART_PROTO_SET, &hu->flags))
return hu->hdev->id;
return -EUNATCH;
default:
err = n_tty_ioctl(tty, file, cmd, arg);
break;

5
drivers/bluetooth/hci_uart.h
View File

@ -28,8 +28,9 @@
#endif
/* Ioctls */
#define HCIUARTSETPROTO _IOW('U', 200, int)
#define HCIUARTGETPROTO _IOR('U', 201, int)
#define HCIUARTSETPROTO _IOW('U', 200, int)
#define HCIUARTGETPROTO _IOR('U', 201, int)
#define HCIUARTGETDEVICE _IOR('U', 202, int)
/* UART protocols */
#define HCI_UART_MAX_PROTO 4