Hi Christopher,
I did not made a full review, but at least, there is a problem in your
rmi_f11_finger_handler function:
On Sat, Nov 17, 2012 at 4:58 AM, Christopher Heiny <che...@synaptics.com> wrote:
> rmi_f11.c is a driver for 2D touch sensors using the RMI4 protocol. It
> supports
> both touchscreen and touchpad input, in both absolute and relative formats.
> Support for Type-B multitouch is the default, Type-A support is included for
> certain legacy sensors.
>
>
> Signed-off-by: Christopher Heiny <che...@synaptics.com>
>
> To: Henrik Rydberg <rydb...@euromail.se>
> Cc: Dmitry Torokhov <dmitry.torok...@gmail.com>
> Cc: Linus Walleij <linus.wall...@stericsson.com>
> Cc: Naveen Kumar Gaddipati <naveen.gaddip...@stericsson.com>
> Cc: Joeri de Gram <j.de.g...@gmail.com>
>
> ---
>
> drivers/input/rmi4/rmi_f11.c | 2813
> ++++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 2813 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
> new file mode 100644
> index 0000000..b9a84bc
> --- /dev/null
> +++ b/drivers/input/rmi4/rmi_f11.c
[snipped]
> +static void rmi_f11_finger_handler(struct f11_data *f11,
> + struct f11_2d_sensor *sensor)
> +{
> + const u8 *f_state = sensor->data.f_state;
> + u8 finger_state;
> + u8 finger_pressed_count;
> + u8 i;
> +
> + for (i = 0, finger_pressed_count = 0; i < sensor->nbr_fingers; i++) {
> + /* Possible of having 4 fingers per f_statet register */
> + finger_state = (f_state[i / 4] >> (2 * (i % 4))) &
> + FINGER_STATE_MASK;
> + if (finger_state == F11_RESERVED) {
> + pr_err("%s: Invalid finger state[%d]:0x%02x.",
> __func__,
> + i, finger_state);
> + continue;
> + } else if ((finger_state == F11_PRESENT) ||
> + (finger_state == F11_INACCURATE)) {
> + finger_pressed_count++;
> + }
> +
> + if (sensor->data.abs_pos)
> + rmi_f11_abs_pos_report(f11, sensor, finger_state, i);
> +
> + if (sensor->data.rel_pos)
> + rmi_f11_rel_pos_report(sensor, i);
> + }
> + input_mt_sync(sensor->input);
This should be "input_mt_sync_frame(sensor->input);"
otherwise, the synaptics xorg driver won't handle the touchpad correctly.
Cheers,
Benjamin
> + input_sync(sensor->input);
> +}
> +
[snipped]
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