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SubjectRe: [PATCH 1/2 v2] HID: magicmouse: Removing report_touches switch
On 07/03/2012 11:53 AM, Yufeng Shen wrote:
> Remove the report_touches switch as it is not so useful to turn
> off reporting touch events for a touch device. Let the userspace
> to do the filtering if the turning off is needed.
>
> V2: Remove report_touches as suggeted by Chase Douglas
>
> Signed-off-by: Yufeng Shen <miletus@chromium.org>

Acked-by: Chase Douglas <chase.douglas@canonical.com>

Thanks!

> ---
> drivers/hid/hid-magicmouse.c | 95 ++++++++++++++++++++----------------------
> 1 files changed, 45 insertions(+), 50 deletions(-)
>
> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> index 40ac665..fd88f21 100644
> --- a/drivers/hid/hid-magicmouse.c
> +++ b/drivers/hid/hid-magicmouse.c
> @@ -48,10 +48,6 @@ static bool scroll_acceleration = false;
> module_param(scroll_acceleration, bool, 0644);
> MODULE_PARM_DESC(scroll_acceleration, "Accelerate sequential scroll events");
>
> -static bool report_touches = true;
> -module_param(report_touches, bool, 0644);
> -MODULE_PARM_DESC(report_touches, "Emit touch records (otherwise, only use them for emulation)");
> -
> static bool report_undeciphered;
> module_param(report_undeciphered, bool, 0644);
> MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event");
> @@ -276,7 +272,7 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
> msc->single_touch_id = SINGLE_TOUCH_UP;
>
> /* Generate the input events for this touch. */
> - if (report_touches && down) {
> + if (down) {
> input_report_abs(input, ABS_MT_TRACKING_ID, id);
> input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major << 2);
> input_report_abs(input, ABS_MT_TOUCH_MINOR, touch_minor << 2);
> @@ -335,7 +331,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
> for (ii = 0; ii < npoints; ii++)
> magicmouse_emit_touch(msc, ii, data + ii * 8 + 6);
>
> - if (report_touches && msc->ntouches == 0)
> + if (msc->ntouches == 0)
> input_mt_sync(input);
>
> /* When emulating three-button mode, it is important
> @@ -422,53 +418,52 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
> __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
> }
>
> - if (report_touches) {
> - __set_bit(EV_ABS, input->evbit);
> -
> - input_set_abs_params(input, ABS_MT_TRACKING_ID, 0, 15, 0, 0);
> - input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
> - 4, 0);
> - input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2,
> - 4, 0);
> - input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
> -
> - /* Note: Touch Y position from the device is inverted relative
> - * to how pointer motion is reported (and relative to how USB
> - * HID recommends the coordinates work). This driver keeps
> - * the origin at the same position, and just uses the additive
> - * inverse of the reported Y.
> - */
> - if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
> - input_set_abs_params(input, ABS_MT_POSITION_X,
> - MOUSE_MIN_X, MOUSE_MAX_X, 4, 0);
> - input_set_abs_params(input, ABS_MT_POSITION_Y,
> - MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0);
> -
> - input_abs_set_res(input, ABS_MT_POSITION_X,
> - MOUSE_RES_X);
> - input_abs_set_res(input, ABS_MT_POSITION_Y,
> - MOUSE_RES_Y);
> - } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
> - input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X,
> - TRACKPAD_MAX_X, 4, 0);
> - input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y,
> - TRACKPAD_MAX_Y, 4, 0);
> - input_set_abs_params(input, ABS_MT_POSITION_X,
> - TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0);
> - input_set_abs_params(input, ABS_MT_POSITION_Y,
> - TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0);
> -
> - input_abs_set_res(input, ABS_X, TRACKPAD_RES_X);
> - input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y);
> - input_abs_set_res(input, ABS_MT_POSITION_X,
> - TRACKPAD_RES_X);
> - input_abs_set_res(input, ABS_MT_POSITION_Y,
> - TRACKPAD_RES_Y);
> - }
>
> - input_set_events_per_packet(input, 60);
> + __set_bit(EV_ABS, input->evbit);
> +
> + input_set_abs_params(input, ABS_MT_TRACKING_ID, 0, 15, 0, 0);
> + input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2,
> + 4, 0);
> + input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, 255 << 2,
> + 4, 0);
> + input_set_abs_params(input, ABS_MT_ORIENTATION, -31, 32, 1, 0);
> +
> + /* Note: Touch Y position from the device is inverted relative
> + * to how pointer motion is reported (and relative to how USB
> + * HID recommends the coordinates work). This driver keeps
> + * the origin at the same position, and just uses the additive
> + * inverse of the reported Y.
> + */
> + if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
> + input_set_abs_params(input, ABS_MT_POSITION_X,
> + MOUSE_MIN_X, MOUSE_MAX_X, 4, 0);
> + input_set_abs_params(input, ABS_MT_POSITION_Y,
> + MOUSE_MIN_Y, MOUSE_MAX_Y, 4, 0);
> +
> + input_abs_set_res(input, ABS_MT_POSITION_X,
> + MOUSE_RES_X);
> + input_abs_set_res(input, ABS_MT_POSITION_Y,
> + MOUSE_RES_Y);
> + } else { /* USB_DEVICE_ID_APPLE_MAGICTRACKPAD */
> + input_set_abs_params(input, ABS_X, TRACKPAD_MIN_X,
> + TRACKPAD_MAX_X, 4, 0);
> + input_set_abs_params(input, ABS_Y, TRACKPAD_MIN_Y,
> + TRACKPAD_MAX_Y, 4, 0);
> + input_set_abs_params(input, ABS_MT_POSITION_X,
> + TRACKPAD_MIN_X, TRACKPAD_MAX_X, 4, 0);
> + input_set_abs_params(input, ABS_MT_POSITION_Y,
> + TRACKPAD_MIN_Y, TRACKPAD_MAX_Y, 4, 0);
> +
> + input_abs_set_res(input, ABS_X, TRACKPAD_RES_X);
> + input_abs_set_res(input, ABS_Y, TRACKPAD_RES_Y);
> + input_abs_set_res(input, ABS_MT_POSITION_X,
> + TRACKPAD_RES_X);
> + input_abs_set_res(input, ABS_MT_POSITION_Y,
> + TRACKPAD_RES_Y);
> }
>
> + input_set_events_per_packet(input, 60);
> +
> if (report_undeciphered) {
> __set_bit(EV_MSC, input->evbit);
> __set_bit(MSC_RAW, input->mscbit);
>



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