From patchwork Tue Jan 10 16:11:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Tissoires X-Patchwork-Id: 9508111 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 92B16601EA for ; Tue, 10 Jan 2017 16:13:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 85DBD28512 for ; Tue, 10 Jan 2017 16:13:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7AC0E285B5; Tue, 10 Jan 2017 16:13:45 +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 E701828512 for ; Tue, 10 Jan 2017 16:13:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S938691AbdAJQLn (ORCPT ); Tue, 10 Jan 2017 11:11:43 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35784 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S938605AbdAJQLj (ORCPT ); Tue, 10 Jan 2017 11:11:39 -0500 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1767161BB3; Tue, 10 Jan 2017 16:11:40 +0000 (UTC) Received: from plouf.banquise.eu.com (ovpn-116-70.ams2.redhat.com [10.36.116.70]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v0AGBWa9022380; Tue, 10 Jan 2017 11:11:38 -0500 From: Benjamin Tissoires To: Dmitry Torokhov , KT Liao , Andrew Duggan Cc: Adrian Alves , linux-kernel@vger.kernel.org, linux-input@vger.kernel.org Subject: [PATCH 02/10] Input: synaptics-rmi4 - Add rmi_find_function() Date: Tue, 10 Jan 2017 17:11:20 +0100 Message-Id: <20170110161128.7441-3-benjamin.tissoires@redhat.com> In-Reply-To: <20170110161128.7441-1-benjamin.tissoires@redhat.com> References: <20170110161128.7441-1-benjamin.tissoires@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 10 Jan 2017 16:11:40 +0000 (UTC) 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 If a function needs to communicate with an other, it's better to have a way to retrieve this other. Reviewed-by: Andrew Duggan Signed-off-by: Benjamin Tissoires --- drivers/input/rmi4/rmi_driver.c | 13 +++++++++++++ drivers/input/rmi4/rmi_driver.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index 11447ab..87dbb0c 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -265,6 +265,19 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) return 0; } +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number) +{ + struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); + struct rmi_function *entry; + + list_for_each_entry(entry, &data->function_list, node) { + if (entry->fd.function_number == number) + return entry; + } + + return NULL; +} + static int suspend_one_function(struct rmi_function *fn) { struct rmi_function_handler *fh; diff --git a/drivers/input/rmi4/rmi_driver.h b/drivers/input/rmi4/rmi_driver.h index 24f8f76..0506371 100644 --- a/drivers/input/rmi4/rmi_driver.h +++ b/drivers/input/rmi4/rmi_driver.h @@ -93,6 +93,7 @@ bool rmi_is_physical_driver(struct device_driver *); int rmi_register_physical_driver(void); void rmi_unregister_physical_driver(void); void rmi_free_function_list(struct rmi_device *rmi_dev); +struct rmi_function *rmi_find_function(struct rmi_device *rmi_dev, u8 number); int rmi_enable_sensor(struct rmi_device *rmi_dev); int rmi_scan_pdt(struct rmi_device *rmi_dev, void *ctx, int (*callback)(struct rmi_device *rmi_dev, void *ctx,