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-rwxr-xr-xtools/make-autosuspend-rules.py24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/make-autosuspend-rules.py b/tools/make-autosuspend-rules.py
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+#!/usr/bin/env python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+# Generate autosuspend rules for devices that have been tested to work properly
+# with autosuspend by the Chromium OS team. Based on
+# https://chromium.googlesource.com/chromiumos/platform2/+/master/power_manager/udev/gen_autosuspend_rules.py
+
+import chromiumos.gen_autosuspend_rules
+
+print('# pci:v<00VENDOR>d<00DEVICE> (8 uppercase hexadecimal digits twice)')
+for entry in chromiumos.gen_autosuspend_rules.PCI_IDS:
+ vendor, device = entry.split(':')
+ vendor = int(vendor, 16)
+ device = int(device, 16)
+ print(f'pci:v{vendor:08X}d{device:08X}*')
+
+print('# usb:v<VEND>p<PROD> (4 uppercase hexadecimal digits twice)')
+for entry in chromiumos.gen_autosuspend_rules.USB_IDS:
+ vendor, product = entry.split(':')
+ vendor = int(vendor, 16)
+ product = int(product, 16)
+ print(f'usb:v{vendor:04X}p{product:04X}*')
+
+print(' ID_AUTOSUSPEND=1')