b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: MPL-2.0
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"""Activate the Sargo WLAN driver after the read-only vendor mount exists."""
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from pathlib import Path
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import errno
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import time
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def main():
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if 'tundra.rescue=1' not in Path('/proc/cmdline').read_text():
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raise RuntimeError('Temporary Tundra boot required')
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firmware = Path('/vendor/firmware')
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if not firmware.is_dir():
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raise RuntimeError('Vendor firmware not mounted')
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Path('/sys/module/firmware_class/parameters/path').write_text(str(firmware))
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boot = Path('/sys/kernel/boot_wlan/boot_wlan')
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if boot.exists():
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try:
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boot.write_text('1\n')
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except OSError as error:
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if error.errno != errno.EALREADY:
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raise
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# pd-mapper publishes the Qualcomm WLAN protection domain. Its firmware
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# can take a minute to start after the display HAL is ready.
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for _ in range(180):
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if Path('/sys/class/net/wlan0').exists():
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return
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time.sleep(.5)
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wlan = Path('/dev/wlan')
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if wlan.exists():
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wlan.write_text('ON\n')
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for _ in range(60):
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if Path('/sys/class/net/wlan0').exists():
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return
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time.sleep(.5)
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raise RuntimeError('Sargo WLAN driver did not expose wlan0')
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if __name__ == '__main__':
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main()
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