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fixing leds

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This commit is contained in:
Alex
2026-04-11 16:06:40 -05:00
parent 46ace966bc
commit 3b4799069d
1 changed files with 3 additions and 7 deletions
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10
xvf3800.py
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@@ -46,16 +46,12 @@ class XVF3800:
def __init__(self, usb_device): def __init__(self, usb_device):
self.dev = usb_device self.dev = usb_device
# Detach kernel driver if attached, so we can send vendor control transfers
try:
if self.dev.is_kernel_driver_active(0):
self.dev.detach_kernel_driver(0)
except Exception:
pass
self.dev.set_configuration()
self.serial = usb_device.serial_number or "unknown" self.serial = usb_device.serial_number or "unknown"
self.bus = usb_device.bus self.bus = usb_device.bus
self.address = usb_device.address self.address = usb_device.address
# Vendor control transfers work without claiming an interface —
# don't call set_configuration() or detach_kernel_driver(),
# the audio driver needs to keep its interface.
def _read(self, resid: int, cmdid: int, length: int) -> bytes: def _read(self, resid: int, cmdid: int, length: int) -> bytes:
"""Read parameter via USB control transfer. """Read parameter via USB control transfer.