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The virtual DualSense wore a placeholder USB serial no real pad has #307

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enricobuehler merged 1 commits from worktree-usbip-dualsense-fix into main 2026-08-18 17:50:02 +00:00
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crates/pf-inject/src/inject/linux/dualsense_usbip.rs
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@@ -522,6 +522,17 @@ fn build_device(
dev.configuration_max_power = 250; // 500 mA in 2 mA units
dev.set_manufacturer_name("Sony Interactive Entertainment");
dev.set_product_name("DualSense Wireless Controller");
// A real DualSense reports **no iSerialNumber**, but the vendored server's `UsbDevice::default`
// fills in the placeholder string "Serial" — which ALSA bakes into the card id and PipeWire into
// the node names: `…DualSense_Wireless_Controller_Serial-00` where the hardware gives
// `…DualSense_Wireless_Controller-00`. Clear it so every name a matcher can key on is
// byte-identical to a physical pad's.
//
// ⚠ This is fidelity, NOT a fix for UCM selection — measured on .41 2026-08-18, `alsa-ucm-conf`
// keys on `${CardComponents}` (`USB054c:0ce6`), so the DualSense UCM matched with the
// placeholder still present. Do not re-derive that: the profile a card lands on is chosen by
// verb priority, not by its name.
dev.unset_serial_number();
dev
// Interface 0 — Audio Control (no endpoints).