From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932742AbaDVOJ5 (ORCPT ); Tue, 22 Apr 2014 10:09:57 -0400 Received: from smtp.devoid-pointer.net ([31.31.77.140]:49479 "EHLO smtp.devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756248AbaDVOAc (ORCPT ); Tue, 22 Apr 2014 10:00:32 -0400 From: =?UTF-8?q?Michal=20Mal=C3=BD?= To: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dmitry.torokhov@gmail.com, jkosina@suse.cz, elias.vds@gmail.com, anssi.hannula@iki.fi, simon@mungewell.org Subject: [PATCH v2 08/24] input: Port hid-emsff to ff-memless-next Date: Tue, 22 Apr 2014 15:59:53 +0200 Message-Id: <1398175209-9565-9-git-send-email-madcatxster@devoid-pointer.net> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1398175209-9565-1-git-send-email-madcatxster@devoid-pointer.net> References: <1398175209-9565-1-git-send-email-madcatxster@devoid-pointer.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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; -- 1.9.2