From ddbe1fca0bcb87ca8c199ea873a456ca8a948567 Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Fri, 19 Sep 2014 10:13:50 +0800 Subject: USB: Add device quirk for ASUS T100 Base Station keyboard This full-speed USB device generates spurious remote wakeup event as soon as USB_DEVICE_REMOTE_WAKEUP feature is set. As the result, Linux can't enter system suspend and S0ix power saving modes once this keyboard is used. This patch tries to introduce USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk. With this quirk set, wakeup capability will be ignored during device configure. This patch could be back-ported to kernels as old as 2.6.39. Signed-off-by: Lu Baolu Acked-by: Alan Stern Cc: stable Signed-off-by: Greg Kroah-Hartman --- include/linux/usb/quirks.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux/usb/quirks.h') diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index ffe565c94743..a4abaeb3fb00 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -44,4 +44,7 @@ /* device can't handle device_qualifier descriptor requests */ #define USB_QUIRK_DEVICE_QUALIFIER 0x00000100 +/* device generates spurious wakeup, ignore remote wakeup capability */ +#define USB_QUIRK_IGNORE_REMOTE_WAKEUP 0x00000200 + #endif /* __LINUX_USB_QUIRKS_H */ -- cgit v1.2.1