From patchwork Mon Jul 29 03:59:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 2834766 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DEAF09F9BE for ; Mon, 29 Jul 2013 03:59:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 04CC82011B for ; Mon, 29 Jul 2013 03:59:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E3C9B20117 for ; Mon, 29 Jul 2013 03:59:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752631Ab3G2D7t (ORCPT ); Sun, 28 Jul 2013 23:59:49 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:56915 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752299Ab3G2D7q (ORCPT ); Sun, 28 Jul 2013 23:59:46 -0400 Received: from [177.143.133.66] (helo=smtp.w2.samsung.com) by bombadil.infradead.org with esmtpsa (Exim 4.80.1 #2 (Red Hat Linux)) id 1V3ecb-0004QK-Rd; Mon, 29 Jul 2013 03:59:46 +0000 Received: from v4l by smtp.w2.samsung.com with local (Exim 4.80.1) (envelope-from ) id 1V3ecX-00006B-64; Mon, 29 Jul 2013 00:59:41 -0300 From: Mauro Carvalho Chehab To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, Mauro Carvalho Chehab Subject: [PATCH 4/5] atkbd: add support for handling KEY_FNLOCK Date: Mon, 29 Jul 2013 00:59:38 -0300 Message-Id: <1375070379-329-4-git-send-email-m.chehab@samsung.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1375070379-329-1-git-send-email-m.chehab@samsung.com> References: <1375070379-329-1-git-send-email-m.chehab@samsung.com> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-8.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Samsung keyboards have a key called FN LOCK. This key acts like CAPS LOCK and NUM LOCK. When pressed, the keyboard switches to a state where the produced scancode are the blue ones (the Fn keycodes). Add support for it at atkbd. Signed-off-by: Mauro Carvalho Chehab --- drivers/input/keyboard/atkbd.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 298ac1d..7f88132 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -218,6 +218,7 @@ struct atkbd { bool softraw; bool scroll; bool enabled; + bool fnlock_set; /* Accessed only from interrupt */ unsigned char emul; @@ -453,6 +454,28 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, if (keycode != ATKBD_KEY_NULL) input_event(dev, EV_MSC, MSC_SCAN, code); + /* + * Handles special Fn Lock switch. + * + * This switch can't be merged with the next one, as we also want + * to report those keycodes to userspace, via input_event, and + * call input_sync(). + */ + switch (keycode) { + case KEY_FNLOCK_OFF: + atkbd->fnlock_set = false; + input_report_switch(dev, SW_FNLOCK, atkbd->fnlock_set); + break; + case KEY_FNLOCK_ON: + atkbd->fnlock_set = true; + input_report_switch(dev, SW_FNLOCK, atkbd->fnlock_set); + break; + case KEY_FNLOCK_TOGGLE: + atkbd->fnlock_set = !atkbd->fnlock_set; + input_report_switch(dev, SW_FNLOCK, atkbd->fnlock_set); + break; + } + switch (keycode) { case ATKBD_KEY_NULL: break; @@ -1126,6 +1149,10 @@ static void atkbd_set_device_attrs(struct atkbd *atkbd) __set_bit(atkbd->keycode[i], input_dev->keybit); } } + + /* FIXME: Unconditionqally sets FN LOCK switch */ + __set_bit(SW_FNLOCK, atkbd->dev->swbit); + input_dev->evbit[0] |= BIT_MASK(EV_SW); } /*