From patchwork Wed Apr 9 11:19:37 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Michal_Mal=C3=BD?= X-Patchwork-Id: 3954441 X-Patchwork-Delegate: jikos@jikos.cz 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 9F72A9F38C for ; Wed, 9 Apr 2014 11:19:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A11792054D for ; Wed, 9 Apr 2014 11:19:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7841D2052F for ; Wed, 9 Apr 2014 11:19:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758435AbaDILTl (ORCPT ); Wed, 9 Apr 2014 07:19:41 -0400 Received: from prifuk.cz ([31.31.77.140]:52594 "EHLO devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758279AbaDILTk convert rfc822-to-8bit (ORCPT ); Wed, 9 Apr 2014 07:19:40 -0400 Received: from sigyn.localnet (228.123.broadband5.iol.cz [88.100.123.228]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by devoid-pointer.net (Postfix) with ESMTPSA id DC85521062; Wed, 9 Apr 2014 13:19:36 +0200 (CEST) From: Michal =?ISO-8859-1?Q?Mal=FD?= To: dmitry.torokhov@gmail.com, jkosina@suse.cz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Elias Vanderstuyft Subject: [PATCH 08/24] Port hid-emsff to ff-memless-next Date: Wed, 09 Apr 2014 13:19:37 +0200 Message-ID: <1509099.M9DXKGbrjE@sigyn> User-Agent: KMail/4.13 rc (Linux/3.14.0-1-ARCHMOD; KDE/4.12.97; x86_64; ; ) In-Reply-To: <1609685.QRL9N9sQvX@sigyn> References: <1609685.QRL9N9sQvX@sigyn> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-7.2 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 Port hid-emsff to ff-memless-next Signed-off-by: Michal Malý --- drivers/hid/Kconfig | 2 +- drivers/hid/hid-emsff.c | 38 ++++++++++++++++++++++++++------------ 2 files changed, 27 insertions(+), 13 deletions(-) diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 68c19a0..6e233d2 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -204,7 +204,7 @@ config DRAGONRISE_FF config HID_EMS_FF tristate "EMS Production Inc. force feedback support" depends on HID - select INPUT_FF_MEMLESS + select INPUT_FF_MEMLESS_NEXT ---help--- Say Y here if you want to enable force feedback support for devices by EMS Production Ltd. diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c index d82d75b..c0cbe50 100644 --- a/drivers/hid/hid-emsff.c +++ b/drivers/hid/hid-emsff.c @@ -24,30 +24,44 @@ #include #include #include +#include #include "hid-ids.h" +#define FF_UPDATE_RATE 50 + struct emsff_device { struct hid_report *report; }; static int emsff_play(struct input_dev *dev, void *data, - struct ff_effect *effect) + const struct mlnx_effect_command *command) { struct hid_device *hid = input_get_drvdata(dev); struct emsff_device *emsff = data; + const struct mlnx_rumble_force *rumble_force = &command->u.rumble_force; int weak, strong; - weak = effect->u.rumble.weak_magnitude; - strong = effect->u.rumble.strong_magnitude; - - dbg_hid("called with 0x%04x 0x%04x\n", strong, weak); - - weak = weak * 0xff / 0xffff; - strong = strong * 0xff / 0xffff; - - emsff->report->field[0]->value[1] = weak; - emsff->report->field[0]->value[2] = strong; + switch (command->cmd) { + case MLNX_START_RUMBLE: + weak = rumble_force->weak; + strong = rumble_force->strong; + + dbg_hid("called with 0x%04x 0x%04x\n", strong, weak); + + weak = weak * 0xff / 0xffff; + strong = strong * 0xff / 0xffff; + + emsff->report->field[0]->value[1] = weak; + emsff->report->field[0]->value[2] = strong; + break; + case MLNX_STOP_RUMBLE: + weak = 0; + strong = 0; + break; + default: + return -EINVAL; + } dbg_hid("running with 0x%02x 0x%02x\n", strong, weak); hid_hw_request(hid, emsff->report, HID_REQ_SET_REPORT); @@ -88,7 +102,7 @@ static int emsff_init(struct hid_device *hid) set_bit(FF_RUMBLE, dev->ffbit); - error = input_ff_create_memless(dev, emsff, emsff_play); + error = input_ff_create_mlnx(dev, emsff, emsff_play, FF_UPDATE_RATE); if (error) { kfree(emsff); return error;