On Tue, Jun 02, 2015 at 11:33:37AM +0200, Hans de Goede wrote: > > Make the check to skip the rate check more lax, so that it applies > to all hw_version 4 models. > > This fixes the touchpad not being detected properly on Asus PU551LA > laptops. > > Cc: stable@xxxxxxxxxxxxxxx > Reported-and-tested-by: David Zafra Gómez <dezeta@xxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- > Changes in v2: > -Update the comment above the check to match the new code > --- > drivers/input/mouse/elantech.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c > index 79363b6..f181d73 100644 > --- a/drivers/input/mouse/elantech.c > +++ b/drivers/input/mouse/elantech.c > @@ -1376,10 +1376,11 @@ static bool elantech_is_signature_valid(const unsigned char *param) > return true; > > /* > - * Some models have a revision higher then 20. Meaning param[2] may > - * be 10 or 20, skip the rates check for these. > + * Some hw_version >= 4 models have a revision higher then 20. Meaning > + * that param[2] may be 10 or 20, skip the rates check for these. > */ Excellent, thanks ! > - if (param[0] == 0x46 && (param[1] & 0xef) == 0x0f && param[2] < 40) > + if ((param[0] & 0x0f) >= 0x06 && (param[1] & 0xaf) == 0x0f && > + param[2] < 40) > return true; > > for (i = 0; i < ARRAY_SIZE(rates); i++) > -- > 2.4.2 > > -- > 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 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html