usb: Avoid open-coded USB constants in usb_kbd.c

Replace the open-coded values with constants to make it clearer what they
mean.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-11-08 23:48:04 -07:00
parent 17627609e0
commit 2cdb58ebdc

View file

@ -411,13 +411,13 @@ static int usb_kbd_probe_dev(struct usb_device *dev, unsigned int ifnum)
iface = &dev->config.if_desc[ifnum];
if (iface->desc.bInterfaceClass != 3)
if (iface->desc.bInterfaceClass != USB_CLASS_HID)
return 0;
if (iface->desc.bInterfaceSubClass != 1)
if (iface->desc.bInterfaceSubClass != USB_SUB_HID_BOOT)
return 0;
if (iface->desc.bInterfaceProtocol != 1)
if (iface->desc.bInterfaceProtocol != USB_PROT_HID_KEYBOARD)
return 0;
if (iface->desc.bNumEndpoints != 1)
@ -626,8 +626,8 @@ static const struct usb_device_id kbd_id_table[] = {
USB_DEVICE_ID_MATCH_INT_SUBCLASS |
USB_DEVICE_ID_MATCH_INT_PROTOCOL,
.bInterfaceClass = USB_CLASS_HID,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 1,
.bInterfaceSubClass = USB_SUB_HID_BOOT,
.bInterfaceProtocol = USB_PROT_HID_KEYBOARD,
},
{ } /* Terminating entry */
};