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-rw-r--r--rules/42-qemu-usb.rules13
1 files changed, 13 insertions, 0 deletions
diff --git a/rules/42-qemu-usb.rules b/rules/42-qemu-usb.rules
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+++ b/rules/42-qemu-usb.rules
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+#
+# 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
+# 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"