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authorAlan Stern <stern@rowland.harvard.edu>2006-08-21 12:08:19 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-27 14:58:55 -0400
commit088dc270e1da03744d977cbd9edd4311af142348 (patch)
tree92ccfd907137f2135857bea8a43981b040028d37 /include/linux/usb.h
parent3a3416b12f1fbd607bc137a57c924a628aa5485c (diff)
usbcore: help drivers to change device configs
It's generally a bad idea for USB interface drivers to try to change a device's configuration, and usbcore doesn't provide any way for them to do it. However in a few exceptional circumstances it can make sense. This patch (as767) adds a roundabout mechanism to help drivers that may need it. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 26d8a5f36896..f104efa04d79 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1099,6 +1099,9 @@ extern int usb_clear_halt(struct usb_device *dev, int pipe);
1099extern int usb_reset_configuration(struct usb_device *dev); 1099extern int usb_reset_configuration(struct usb_device *dev);
1100extern int usb_set_interface(struct usb_device *dev, int ifnum, int alternate); 1100extern int usb_set_interface(struct usb_device *dev, int ifnum, int alternate);
1101 1101
1102/* this request isn't really synchronous, but it belongs with the others */
1103extern int usb_driver_set_configuration(struct usb_device *udev, int config);
1104
1102/* 1105/*
1103 * timeouts, in milliseconds, used for sending/receiving control messages 1106 * timeouts, in milliseconds, used for sending/receiving control messages
1104 * they typically complete within a few frames (msec) after they're issued 1107 * they typically complete within a few frames (msec) after they're issued