From: Ladi Prosek <lprosek@redhat.com>
To: qemu-devel@nongnu.org
Cc: kraxel@redhat.com, lprosek@redhat.com
Subject: [Qemu-devel] [PATCH] virtio-input: fix emulated tablet axis ranges
Date: Fri, 8 Apr 2016 17:21:33 +0200 [thread overview]
Message-ID: <1460128893-10244-1-git-send-email-lprosek@redhat.com> (raw)
The reported maximum was wrong. The X and Y coordinates are 0-based
so if size is 8000 maximum must be 7FFF.
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
---
hw/input/virtio-input-hid.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/input/virtio-input-hid.c b/hw/input/virtio-input-hid.c
index fe6d37f..3ee0c18 100644
--- a/hw/input/virtio-input-hid.c
+++ b/hw/input/virtio-input-hid.c
@@ -484,12 +484,12 @@ static struct virtio_input_config virtio_tablet_config[] = {
.select = VIRTIO_INPUT_CFG_ABS_INFO,
.subsel = ABS_X,
.size = sizeof(virtio_input_absinfo),
- .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE),
+ .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE - 1),
},{
.select = VIRTIO_INPUT_CFG_ABS_INFO,
.subsel = ABS_Y,
.size = sizeof(virtio_input_absinfo),
- .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE),
+ .u.abs.max = const_le32(INPUT_EVENT_ABS_SIZE - 1),
},
{ /* end of list */ },
};
--
2.5.5
reply other threads:[~2016-04-08 15:21 UTC|newest]
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