From patchwork Fri Jan 27 07:12:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juergen Gross X-Patchwork-Id: 9540635 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 08C9360429 for ; Fri, 27 Jan 2017 07:12:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EEA472582C for ; Fri, 27 Jan 2017 07:12:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E31BD2807B; Fri, 27 Jan 2017 07:12:45 +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 674732582C for ; Fri, 27 Jan 2017 07:12:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754172AbdA0HMn (ORCPT ); Fri, 27 Jan 2017 02:12:43 -0500 Received: from mx2.suse.de ([195.135.220.15]:59889 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754170AbdA0HMn (ORCPT ); Fri, 27 Jan 2017 02:12:43 -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 2F6C1AABE; Fri, 27 Jan 2017 07:12:41 +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 Subject: [PATCH v2] xen, input: try to read screen resolution for xen-kbdfront Date: Fri, 27 Jan 2017 08:12:39 +0100 Message-Id: <20170127071239.913-1-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. Signed-off-by: Juergen Gross --- V2: get framebuffer resolution only if CONFIG_FB (Dmitry Torokhov) --- 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..3aae9b4 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 @@ -108,7 +109,7 @@ 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; @@ -173,9 +174,17 @@ static int xenkbd_probe(struct xenbus_device *dev, ptr->id.product = 0xfffe; if (abs) { + width = XENFB_WIDTH; + height = XENFB_HEIGHT; +#ifdef CONFIG_FB + if (registered_fb[0]) { + width = registered_fb[0]->var.xres_virtual; + height = registered_fb[0]->var.yres_virtual; + } +#endif __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);