From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939933AbdAJQLq (ORCPT ); Tue, 10 Jan 2017 11:11:46 -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 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-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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, -- 2.9.3