Signed-off-by: Marek Vasut <marek.va...@gmail.com>
Cc: Remy Bohmer <li...@bohmer.net>
---
drivers/usb/host/ehci-hcd.c | 33 ++++++++++++++++++++++++++++++++-
1 files changed, 32 insertions(+), 1 deletions(-)
V2: Drop redundant bogus header.
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 83ac8b1..41928a2 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -26,6 +26,10 @@
#include <asm/io.h>
#include <malloc.h>
#include <watchdog.h>
+#ifdef CONFIG_USB_KEYBOARD
+#include <stdio_dev.h>
+extern unsigned char new[];
+#endif
#include "ehci.h"
@@ -911,5 +915,32 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe,
void *buffer,
debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
dev, pipe, buffer, length, interval);
- return -1;
+ return ehci_submit_async(dev, pipe, buffer, length, NULL);
+}
+
+#ifdef CONFIG_SYS_USB_EVENT_POLL
+/*
+ * This function polls for USB keyboard data.
+ */
+void usb_event_poll()
+{
+ struct stdio_dev *dev;
+ struct usb_device *usb_kbd_dev;
+ struct usb_interface *iface;
+ struct usb_endpoint_descriptor *ep;
+ int pipe;
+ int maxp;
+
+ /* Get the pointer to USB Keyboard device pointer */
+ dev = stdio_get_by_name("usbkbd");
+ usb_kbd_dev = (struct usb_device *)dev->priv;
+ iface = &usb_kbd_dev->config.if_desc[0];
+ ep = &iface->ep_desc[0];
+ pipe = usb_rcvintpipe(usb_kbd_dev, ep->bEndpointAddress);
+
+ /* Submit a interrupt transfer request */
+ maxp = usb_maxpacket(usb_kbd_dev, pipe);
+ usb_submit_int_msg(usb_kbd_dev, pipe, &new[0],
+ maxp > 8 ? 8 : maxp, ep->bInterval);
}
+#endif /* CONFIG_SYS_USB_EVENT_POLL */
--
1.7.5.4
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