Hi Paul, Greg, Am Dienstag, 25. Oktober 2016, 15:10:55 CEST schrieb Paul Fertser: > This reverts commit 36b30d6138f4677514aca35ab76c20c1604baaad. > > This is necessary to detect paz00 (ac100) touchpad properly as one > speaking ETPS/2 protocol. Without it X.org's synaptics driver doesn't > work as the touchpad is detected as an ImPS/2 mouse instead. > > Commit ec6184b1c717b8768122e25fe6d312f609cc1bb4 changed the way > auto-detection is performed on ports marked as pass through and made the > issue apparent. > > A pass through port is an additional PS/2 port used to connect a slave > device to a master device that is using PS/2 to communicate with the > host (so slave's PS/2 communication is tunneled over master's PS/2 > link). "Synaptics PS/2 TouchPad Interfacing Guide" describes such a > setup (PS/2 PASS-THROUGH OPTION section). > > Since paz00's embedded controller is not connected to a PS/2 port > itself, the PS/2 interface it exposes is not a pass-through one. > > Acked-by: Marc Dietrich <marvin24@xxxxxx> > Signed-off-by: Paul Fertser <fercerpav@xxxxxxxxx> In fact I was a bit to fast to ack. Turns out I booted the wrong kernel. So please hold off this one, until some issues with this patch are fixed. Marc > --- > drivers/staging/nvec/nvec_ps2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/nvec/nvec_ps2.c > b/drivers/staging/nvec/nvec_ps2.c index a324322..c83eeb4 100644 > --- a/drivers/staging/nvec/nvec_ps2.c > +++ b/drivers/staging/nvec/nvec_ps2.c > @@ -112,7 +112,7 @@ static int nvec_mouse_probe(struct platform_device > *pdev) if (!ser_dev) > return -ENOMEM; > > - ser_dev->id.type = SERIO_PS_PSTHRU; > + ser_dev->id.type = SERIO_8042; > ser_dev->write = ps2_sendcommand; > ser_dev->start = ps2_startstreaming; > ser_dev->stop = ps2_stopstreaming;
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