Hi KT, On Mon, May 28, 2018 at 07:33:02PM +0800, KT Liao wrote: > Some touchpad has middle key and it will be indicated in bit 2 of packet[0]. > We need to fix V4 formation's byte mask to prevent error decoding.
Could you please let me know what devices this patch fixes? Are they released or new hardware? > > Signed-off-by: KT Liao <kt.l...@emc.com.tw> > --- > drivers/input/mouse/elantech.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c > index fb4d902..f39dc66 100644 > --- a/drivers/input/mouse/elantech.c > +++ b/drivers/input/mouse/elantech.c > @@ -799,7 +799,7 @@ static int elantech_packet_check_v4(struct psmouse > *psmouse) > else if (ic_version == 7 && etd->info.samples[1] == 0x2A) > sanity_check = ((packet[3] & 0x1c) == 0x10); > else > - sanity_check = ((packet[0] & 0x0c) == 0x04 && > + sanity_check = ((packet[0] & 0x08) == 0x00 && > (packet[3] & 0x1c) == 0x10); > > if (!sanity_check) > -- > 2.7.4 > Thanks. -- Dmitry
