vasilito
cfd5d30f74
MouseTx::handle() treated 0xFE (PS/2 RESEND) as an unknown response, causing mouse init to fail on hardware where the mouse requests a resend during the reset/command exchange. Now resends the current command byte when the mouse returns 0xFE, matching the PS/2 protocol.
14 lines
683 B
Diff
14 lines
683 B
Diff
--- a/drivers/input/ps2d/src/mouse.rs 2026-05-04 00:50:32.328708003 +0100
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+++ b/drivers/input/ps2d/src/mouse.rs 2026-05-04 00:50:46.622536346 +0100
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@@ -61,6 +61,10 @@
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if data == 0xFA {
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self.write_i += 1;
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self.try_write(ps2)?;
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+ } else if data == 0xFE {
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+ // PS/2 RESEND: mouse asks us to resend the current command byte
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+ log::debug!("mouse requested resend for byte {:02X}, resending", self.write.get(self.write_i).unwrap_or(&0));
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+ self.try_write(ps2)?;
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} else {
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log::error!("unknown mouse response {:02X}", data);
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return Err(());
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