From 08f3bb0bcd84b57cc627ab0acda8aebacf27544e Mon Sep 17 00:00:00 2001 From: Vincent Palatin Date: Mon, 4 May 2015 11:30:54 -0600 Subject: usb: add device connection/disconnection detection Provide a function to detect USB device insertion/removal in order to avoid having to do USB enumeration in a tight loop when trying to detect peripheral hotplugging. Signed-off-by: Vincent Palatin Reviewed-by: Stefan Reinauer Tested-by: Stefan Reinauer Signed-off-by: Simon Glass --- include/usb.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/usb.h b/include/usb.h index 5043bc3..c709ce2 100644 --- a/include/usb.h +++ b/include/usb.h @@ -265,6 +265,7 @@ int usb_kbd_deregister(int force); /* routines */ int usb_init(void); /* initialize the USB Controller */ int usb_stop(void); /* stop the USB Controller */ +int usb_detect_change(void); /* detect if a USB device has been (un)plugged */ int usb_set_protocol(struct usb_device *dev, int ifnum, int protocol); @@ -290,6 +291,7 @@ int usb_get_class_descriptor(struct usb_device *dev, int ifnum, int usb_clear_halt(struct usb_device *dev, int pipe); int usb_string(struct usb_device *dev, int index, char *buf, size_t size); int usb_set_interface(struct usb_device *dev, int interface, int alternate); +int usb_get_port_status(struct usb_device *dev, int port, void *data); /* big endian -> little endian conversion */ /* some CPUs are already little endian e.g. the ARM920T */ -- cgit v1.1