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-rw-r--r--rules/42-usb-hid-pm.rules15
1 files changed, 8 insertions, 7 deletions
diff --git a/rules/42-usb-hid-pm.rules b/rules/42-usb-hid-pm.rules
index 3fd6e8ab4c..c675b5b027 100644
--- a/rules/42-usb-hid-pm.rules
+++ b/rules/42-usb-hid-pm.rules
@@ -2,14 +2,15 @@
#
# Enable autosuspend for qemu emulated usb hid devices
-# Note that there are buggy qemu versions which advertise remote
-# wakeup support but don't actually implement it correctly. This
-# is the reason why we need a match for the serial number here.
-# The serial number "42" is used to tag the implementations where
+# Note that there are buggy qemu versions (0.13 & older) which
+# advertise remote wakeup support but don't actually implement
+# it correctly. This is the reason why we need a match for the
+# serial number here. Old, broken versions have serial "1".
+# It has been changed to "42" after fixing the bug to indicate
# remote wakeup is working.
-ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Mouse", ATTR{serial}=="42", TEST=="power/control", ATTR{power/control}="auto"
-ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Tablet", ATTR{serial}=="42", TEST=="power/control", ATTR{power/control}="auto"
-ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Keyboard", ATTR{serial}=="42", TEST=="power/control", ATTR{power/control}="auto"
+ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Mouse", ATTR{serial}!="1", TEST=="power/control", ATTR{power/control}="auto"
+ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Tablet", ATTR{serial}!="1", TEST=="power/control", ATTR{power/control}="auto"
+ACTION=="add", SUBSYSTEM=="usb", ATTR{product}=="QEMU USB Keyboard", ATTR{serial}!="1", TEST=="power/control", ATTR{power/control}="auto"
# Catch-all for Avocent HID devices. Keyed off interface in order to only
# trigger on HID class devices.