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Commit af5cf146 authored by Roman Kiryanov's avatar Roman Kiryanov Committed by Alistair Delva
Browse files

ANDROID: virtio: virtio_input: Set the amount of multitouch slots in virtio input 



Virtio input was missing the the amount of multitouch
slots and kernel was filtering out ABS_MT_SLOT events
for a screen is touched in more than one place.

Bug: 143488374
Signed-off-by: default avatarRoman Kiryanov <rkir@google.com>
Change-Id: I617099435af311e6b0ee127b76eafe13834ea8f8
parent 3a6402a0

drivers/virtio/virtio_input.c

+7 −0
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#include <linux/virtio.h>

#include <linux/virtio_config.h>

#include <linux/input.h>

#include <linux/input/mt.h>



#include <uapi/linux/virtio_ids.h>

#include <uapi/linux/virtio_input.h>
@@ -164,6 +165,12 @@ static void virtinput_cfg_abs(struct virtio_input *vi, int abs) 
	virtio_cread(vi->vdev, struct virtio_input_config, u.abs.flat, &fl);

	input_set_abs_params(vi->idev, abs, mi, ma, fu, fl);

	input_abs_set_res(vi->idev, abs, re);

	if (abs == ABS_MT_TRACKING_ID)

		input_mt_init_slots(vi->idev,

				    ma, /* input max finger */

				    INPUT_MT_DIRECT

					| INPUT_MT_DROP_UNUSED

					| INPUT_MT_TRACK);

}



static int virtinput_init_vqs(struct virtio_input *vi)