On Thu, Jun 12, 2014 at 08:15:01PM +0200, Ulrik De Bie wrote: > Some elantech v3 touchpad equipped laptops also have a trackpoint, before > this commit, these give sync errors. With this patch, the trackpoint is > provided as another input device: 'Elantech PS/2 TrackPoint' > > The patch will also output messages that do not follow the expected pattern. > In the mean time I've seen 2 unknown packets occasionally: > 0x04 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 > 0x00 , 0x00 , 0x00 , 0x02 , 0x00 , 0x00 > I don't know what those are for, but they can be safely ignored. > > Currently all packets that are not known to v3 touchpad and where > packet[3] (the fourth byte) lowest nibble is 6 are now recognized as > PACKET_TRACKPOINT and processed by the new elantech_report_trackpoint. > > This has been verified to work on a laptop Lenovo L530 where the > touchpad/trackpoint combined identify themselves as: > psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x350f02) > psmouse serio1: elantech: Synaptics capabilities query result 0xb9, 0x15, 0x0c. > > Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Ulrik De Bie <ulrik.debie-os@xxxxxxxxx> > --- > drivers/input/mouse/elantech.c | 104 +++++++++++++++++++++++++++++++++++++++-- > drivers/input/mouse/elantech.h | 4 ++ > 2 files changed, 105 insertions(+), 3 deletions(-) This seems like a new feature to me and not a stable kernel patch. How does this fit in with the Documentation/stable_kernel_rules.txt requirements? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
