From patchwork Tue Jan 24 12:09:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 9535053 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 126B460434 for ; Tue, 24 Jan 2017 12:10:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8C8F27DF9 for ; Tue, 24 Jan 2017 12:10:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E781D27FBB; Tue, 24 Jan 2017 12:10:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 00A6F27DF9 for ; Tue, 24 Jan 2017 12:10:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750802AbdAXMKC (ORCPT ); Tue, 24 Jan 2017 07:10:02 -0500 Received: from mx2.suse.de ([195.135.220.15]:34883 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750721AbdAXMKC (ORCPT ); Tue, 24 Jan 2017 07:10:02 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 95C9CAD97; Tue, 24 Jan 2017 12:09:59 +0000 (UTC) From: Juergen Gross To: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, xen-devel@lists.xenproject.org Cc: dmitry.torokhov@gmail.com, Juergen Gross , stable@vger.kernel.org Subject: [PATCH] xen,input: try to read screen resolution for xen-kbdfront Date: Tue, 24 Jan 2017 13:09:55 +0100 Message-Id: <20170124120955.24898-1-jgross@suse.com> X-Mailer: git-send-email 2.10.2 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of using the default resolution of 800*600 for the pointing device of xen-kbdfront try to read the resolution of the (virtual) framebuffer device. Use the default as fallback only. Cc: stable@vger.kernel.org Signed-off-by: Juergen Gross --- drivers/input/misc/xen-kbdfront.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c index 3900875..0032c81 100644 --- a/drivers/input/misc/xen-kbdfront.c +++ b/drivers/input/misc/xen-kbdfront.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -108,10 +109,11 @@ static irqreturn_t input_handler(int rq, void *dev_id) static int xenkbd_probe(struct xenbus_device *dev, const struct xenbus_device_id *id) { - int ret, i; + int ret, i, width, height; unsigned int abs; struct xenkbd_info *info; struct input_dev *kbd, *ptr; + struct fb_info *fb0; info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) { @@ -173,9 +175,16 @@ static int xenkbd_probe(struct xenbus_device *dev, ptr->id.product = 0xfffe; if (abs) { + width = XENFB_WIDTH; + height = XENFB_HEIGHT; + fb0 = registered_fb[0]; + if (fb0) { + width = fb0->var.xres_virtual; + height = fb0->var.yres_virtual; + } __set_bit(EV_ABS, ptr->evbit); - input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0); - input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0); + input_set_abs_params(ptr, ABS_X, 0, width, 0, 0); + input_set_abs_params(ptr, ABS_Y, 0, height, 0, 0); } else { input_set_capability(ptr, EV_REL, REL_X); input_set_capability(ptr, EV_REL, REL_Y);