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Skip non-boot usb_keyboard interface

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-01 23:08:33 +02:00
parent 443a6c4b21
commit 9c98ae8911
1 changed files with 9 additions and 0 deletions
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9
term/usb_keyboard.c
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@ -63,6 +63,9 @@ static char keyboard_map_shift[128] =
#define USB_HID_SET_IDLE 0x0A
#define USB_HID_SET_PROTOCOL 0x0B
#define USB_HID_BOOT_SUBCLASS 0x01
#define USB_HID_KBD_PROTOCOL 0x01
static int grub_usb_keyboard_checkkey (struct grub_term_input *term);
static int grub_usb_keyboard_getkey (struct grub_term_input *term);
static int grub_usb_keyboard_getkeystatus (struct grub_term_input *term);
@ -120,6 +123,12 @@ grub_usb_keyboard_attach (grub_usb_device_t usbdev, int configno, int interfno)
|| usbdev->descdev.subclass != 0 || usbdev->descdev.protocol != 0)
return 0;
if (usbdev->config[configno].interf[interfno].descif->subclass
!= USB_HID_BOOT_SUBCLASS
|| usbdev->config[configno].interf[interfno].descif->protocol
!= USB_HID_KBD_PROTOCOL)
return 0;
grub_printf ("HID found!\n");
/* Place the device in boot mode. */