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authorPaul Fertser <fercerpav@gmail.com>2016-10-27 17:22:09 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-07 11:48:25 +0100
commit17c1c9ba15b238ef79b51cf40d855c05b58d5934 (patch)
treeeb11b0400669a1cf751cfb321c75a2348f94ddae /drivers/staging/nvec
parentd8f8a74d5fece355d2234e1731231d1aebc66b38 (diff)
Revert "staging: nvec: ps2: change serio type to passthrough"
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. Signed-off-by: Paul Fertser <fercerpav@gmail.com> Acked-by: Marc Dietrich <marvin24@gmx.de> Fixes: 36b30d6138f4 ("staging: nvec: ps2: change serio type to passthrough") Cc: stable <stable@vger.kernel.org> # 3.4+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/nvec')
-rw-r--r--drivers/staging/nvec/nvec_ps2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c
index d63c4efa8074..910e87b761e7 100644
--- a/drivers/staging/nvec/nvec_ps2.c
+++ b/drivers/staging/nvec/nvec_ps2.c
@@ -111,7 +111,7 @@ 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;