On Fri, 28 Sep 2018 at 14:15, Neil Armstrong <[email protected]> wrote:
> On 27/09/2018 11:24, Emil Karlson wrote:
> > Commit 57e94c8b974db2d83c60e1139c89a70806abbea0 caused cros-ec keyboard
> > events
> > be truncated on many chromebooks so that Left and Right keys on Column 12
> > were
> > always 0. This commit fixes the issue by restoring the old semantics when
> > the
> > protocol version is 0.
>
> OK for me, can someone confirms it fixes the issue ??
Both this patch and the updated version fixes the same issue for me on
rk3399-gru-kevin.
/Emil
> Thanks,
> Neil
>
> > ---
> > drivers/platform/chrome/cros_ec_proto.c | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/platform/chrome/cros_ec_proto.c
> > b/drivers/platform/chrome/cros_ec_proto.c
> > index 398393ab5df8..457e4940dba4 100644
> > --- a/drivers/platform/chrome/cros_ec_proto.c
> > +++ b/drivers/platform/chrome/cros_ec_proto.c
> > @@ -519,8 +519,14 @@ static int get_next_event_xfer(struct cros_ec_device
> > *ec_dev,
> >
> > ret = cros_ec_cmd_xfer(ec_dev, msg);
> > if (ret > 0) {
> > + unsigned int copy_size;
> > +
> > ec_dev->event_size = ret - 1;
> > - memcpy(&ec_dev->event_data, msg->data, ec_dev->event_size);
> > + if (!version)
> > + copy_size = sizeof(struct ec_response_get_next_event);
> > + else
> > + copy_size = ec_dev->event_size;
> > + memcpy(&ec_dev->event_data, msg->data, copy_size);
> > }
> >
> > return ret;
> >
>
