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authorAndiry Xu <andiry.xu@amd.com>2011-09-23 14:19:48 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-26 15:51:08 -0700
commit1ff4df56846d10379939166713bb2908e6a5ee0e (patch)
treea2cacc55c0496016be4a44f72b96a0717ba91948 /include/linux/usb.h
parent3148bf041d169a083aa31bd69bedd5bfb7ffe215 (diff)
usbcore: check device's LPM capability
Check device's LPM capability by examining the bmAttibutes field of the USB2.0 Extension Descriptor. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 90ab9dc1f080..1d00d9bc5d65 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -410,6 +410,7 @@ struct usb_tt;
* FIXME -- complete doc
* @authenticated: Crypto authentication passed
* @wusb: device is Wireless USB
+ * @lpm_capable: device supports LPM
* @string_langid: language ID for strings
* @product: iProduct string, if present (static)
* @manufacturer: iManufacturer string, if present (static)
@@ -472,6 +473,7 @@ struct usb_device {
unsigned authorized:1;
unsigned authenticated:1;
unsigned wusb:1;
+ unsigned lpm_capable:1;
int string_langid;
/* static strings from the device */