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Input: xen-kbdfront - fix multi-touch XenStore node's locations 

[ Upstream commit ce6f7d087e ]

kbdif protocol describes multi-touch device parameters as a
part of frontend's XenBus configuration nodes while they
belong to backend's configuration. Fix this by reading the
parameters as defined by the protocol.

Fixes: 49aac8204d ("Input: xen-kbdfront - add multi-touch support")

Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Oleksandr Andrushchenko 2018-06-12 15:03:36 -07:00 committed by Greg Kroah-Hartman
parent 91e30cae89
commit a82a772da7
1 changed files with 4 additions and 4 deletions
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8
drivers/input/misc/xen-kbdfront.c
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@ -229,7 +229,7 @@ static int xenkbd_probe(struct xenbus_device *dev,
}
}
touch = xenbus_read_unsigned(dev->nodename,
touch = xenbus_read_unsigned(dev->otherend,
XENKBD_FIELD_FEAT_MTOUCH, 0);
if (touch) {
ret = xenbus_write(XBT_NIL, dev->nodename,
@ -304,13 +304,13 @@ static int xenkbd_probe(struct xenbus_device *dev,
if (!mtouch)
goto error_nomem;
num_cont = xenbus_read_unsigned(info->xbdev->nodename,
num_cont = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_NUM_CONTACTS,
1);
width = xenbus_read_unsigned(info->xbdev->nodename,
width = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_WIDTH,
XENFB_WIDTH);
height = xenbus_read_unsigned(info->xbdev->nodename,
height = xenbus_read_unsigned(info->xbdev->otherend,
XENKBD_FIELD_MT_HEIGHT,
XENFB_HEIGHT);