Hi Eric,
On Mon, Jun 21, 2010 at 11:07:24PM +0200, Éric Piel wrote:
>
> The 6-byte protocol supports reporting the position when three fingers
> are pressed, exactly like when one finger is pressed. Report this.
>
> In addition, it is also distinguishes between 3 and 4 fingers pressed.
>
> Signed-off-by: Éric Piel <eric.piel@xxxxxxxxxxxxxxxx>
> ---
> drivers/input/mouse/elantech.c | 10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
> index b09b458..633f100 100644
> --- a/drivers/input/mouse/elantech.c
> +++ b/drivers/input/mouse/elantech.c
> @@ -257,6 +257,14 @@ static void elantech_report_absolute_v2(struct psmouse *psmouse)
> input_report_key(dev, BTN_TOUCH, fingers != 0);
> switch (fingers) {
> + case 3:
> + /*
> + * Same as one finger, except report of more than 3 fingers:
> + * byte 3: n4 . w1 w0 . . . .
> + */
> + if (packet[3] & 0x80)
> + fingers = 4;
> + /* pass through... */
Are we certain it is 4-finger and not equivalent of "palm detect" flag?
I could not locate the equivalent in Ubutu sources, where did you get
this data?
--
Dmitry
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