From patchwork Sat Mar 21 11:47:38 2015 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: 6064001 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 267D29F314 for ; Sat, 21 Mar 2015 11:50:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D39B8202EB for ; Sat, 21 Mar 2015 11:50:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83D0E202E6 for ; Sat, 21 Mar 2015 11:50:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751432AbbCULu2 (ORCPT ); Sat, 21 Mar 2015 07:50:28 -0400 Received: from smtp.devoid-pointer.net ([31.31.77.140]:59568 "EHLO smtp.devoid-pointer.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751754AbbCULsY (ORCPT ); Sat, 21 Mar 2015 07:48:24 -0400 Received: from Labrat.localdomain.localdomain (228.123.broadband5.iol.cz [88.100.123.228]) (using TLSv1.2 with cipher AES128-SHA256 (128/128 bits)) (No client certificate requested) by smtp.devoid-pointer.net (Postfix) with ESMTPSA id 622ED21A28; Sat, 21 Mar 2015 12:48:13 +0100 (CET) From: =?UTF-8?q?Michal=20Mal=C3=BD?= To: jkosina@suse.cz Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, elias.vds@gmail.com, simon@mungewell.org, =?UTF-8?q?Michal=20Mal=C3=BD?= Subject: [PATCH 08/12] HID: hid-lg4ff: Store pointer to the output HID report struct in the device entry struct. Date: Sat, 21 Mar 2015 12:47:38 +0100 Message-Id: <1426938462-884-9-git-send-email-madcatxster@devoid-pointer.net> X-Mailer: git-send-email 2.3.3 In-Reply-To: <1426938462-884-1-git-send-email-madcatxster@devoid-pointer.net> References: <1426938462-884-1-git-send-email-madcatxster@devoid-pointer.net> 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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 This eliminates the need to look the HID report struct up every time it is needed. Signed-off-by: Michal Malý --- drivers/hid/hid-lg4ff.c | 67 +++++++++++++++++++++++-------------------------- 1 file changed, 32 insertions(+), 35 deletions(-) diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index 0bbdeea..fd6f140 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -90,6 +90,7 @@ struct lg4ff_wheel_data { struct lg4ff_device_entry { spinlock_t report_lock; + struct hid_report *report; struct lg4ff_wheel_data wdata; }; @@ -302,11 +303,9 @@ int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; - s32 *value = report->field[0]->value; + s32 *value; int x; unsigned long flags; @@ -321,6 +320,7 @@ static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effec hid_err(hid, "Device properties not found!\n"); return -EINVAL; } + value = entry->report->field[0]->value; #define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0) @@ -340,7 +340,7 @@ static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effec value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); return 0; } @@ -353,7 +353,7 @@ static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effec value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); break; } @@ -365,11 +365,9 @@ static int lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effec static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) { struct hid_device *hid = input_get_drvdata(dev); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; - s32 *value = report->field[0]->value; + s32 *value; u32 expand_a, expand_b; unsigned long flags; @@ -384,6 +382,7 @@ static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) hid_err(hid, "Device properties not found!\n"); return; } + value = entry->report->field[0]->value; /* De-activate Auto-Center */ spin_lock_irqsave(&entry->report_lock, flags); @@ -396,7 +395,7 @@ static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); return; } @@ -427,7 +426,7 @@ static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); /* Activate Auto-Center */ value[0] = 0x14; @@ -438,7 +437,7 @@ static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); } @@ -446,12 +445,10 @@ static void lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitude) static void lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) { struct hid_device *hid = input_get_drvdata(dev); - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; unsigned long flags; - s32 *value = report->field[0]->value; + s32 *value; magnitude = magnitude * 90 / 65535; drv_data = hid_get_drvdata(hid); @@ -465,6 +462,7 @@ static void lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) hid_err(hid, "Device properties not found!\n"); return; } + value = entry->report->field[0]->value; spin_lock_irqsave(&entry->report_lock, flags); value[0] = 0xfe; @@ -475,18 +473,16 @@ static void lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); } /* Sends command to set range compatible with G25/G27/Driving Force GT */ static void lg4ff_set_range_g25(struct hid_device *hid, u16 range) { - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; - s32 *value = report->field[0]->value; + s32 *value; unsigned long flags; drv_data = hid_get_drvdata(hid); @@ -500,6 +496,7 @@ static void lg4ff_set_range_g25(struct hid_device *hid, u16 range) hid_err(hid, "Device properties not found!\n"); return; } + value = entry->report->field[0]->value; dbg_hid("G25/G27/DFGT: setting range to %u\n", range); spin_lock_irqsave(&entry->report_lock, flags); @@ -511,19 +508,17 @@ static void lg4ff_set_range_g25(struct hid_device *hid, u16 range) value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); } /* Sends commands to set range compatible with Driving Force Pro wheel */ static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) { - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; int start_left, start_right, full_range; - s32 *value = report->field[0]->value; + s32 *value; unsigned long flags; drv_data = hid_get_drvdata(hid); @@ -537,6 +532,7 @@ static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) hid_err(hid, "Device properties not found!\n"); return; } + value = entry->report->field[0]->value; dbg_hid("Driving Force Pro: setting range to %u\n", range); spin_lock_irqsave(&entry->report_lock, flags); @@ -550,13 +546,13 @@ static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) value[6] = 0x00; if (range > 200) { - report->field[0]->value[1] = 0x03; + value[1] = 0x03; full_range = 900; } else { - report->field[0]->value[1] = 0x02; + value[1] = 0x02; full_range = 200; } - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); /* Prepare "fine" limit command */ value[0] = 0x81; @@ -568,7 +564,7 @@ static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) value[6] = 0x00; if (range == 200 || range == 900) { /* Do not apply any fine limit */ - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); return; } @@ -583,7 +579,7 @@ static void lg4ff_set_range_dfp(struct hid_device *hid, u16 range) value[5] = (start_right & 0xe) << 4 | (start_left & 0xe); value[6] = 0xff; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); } @@ -646,11 +642,9 @@ static const struct lg4ff_compat_mode_switch *lg4ff_get_mode_switch_command(cons static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct lg4ff_compat_mode_switch *s) { - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg4ff_device_entry *entry; struct lg_drv_data *drv_data; - s32 *value = report->field[0]->value; + s32 *value; u8 i; unsigned long flags; @@ -665,6 +659,7 @@ static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct hid_err(hid, "Device properties not found!\n"); return -EINVAL; } + value = entry->report->field[0]->value; spin_lock_irqsave(&entry->report_lock, flags); for (i = 0; i < s->cmd_count; i++) { @@ -673,7 +668,7 @@ static int lg4ff_switch_compatibility_mode(struct hid_device *hid, const struct for (j = 0; j < 7; j++) value[j] = s->cmd[j + (7*i)]; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); } spin_unlock_irqrestore(&entry->report_lock, flags); @@ -915,11 +910,9 @@ static DEVICE_ATTR(real_id, S_IRUGO, lg4ff_real_id_show, lg4ff_real_id_store); #ifdef CONFIG_LEDS_CLASS static void lg4ff_set_leds(struct hid_device *hid, u8 leds) { - struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct hid_report *report = list_entry(report_list->next, struct hid_report, list); struct lg_drv_data *drv_data = hid_get_drvdata(hid); struct lg4ff_device_entry *entry; - s32 *value = report->field[0]->value; + s32 *value; unsigned long flags; drv_data = hid_get_drvdata(hid); @@ -933,6 +926,7 @@ static void lg4ff_set_leds(struct hid_device *hid, u8 leds) hid_err(hid, "Device properties not found!\n"); return; } + value = entry->report->field[0]->value; spin_lock_irqsave(&entry->report_lock, flags); value[0] = 0xf8; @@ -942,7 +936,7 @@ static void lg4ff_set_leds(struct hid_device *hid, u8 leds) value[4] = 0x00; value[5] = 0x00; value[6] = 0x00; - hid_hw_request(hid, report, HID_REQ_SET_REPORT); + hid_hw_request(hid, entry->report, HID_REQ_SET_REPORT); spin_unlock_irqrestore(&entry->report_lock, flags); } @@ -1103,6 +1097,8 @@ int lg4ff_init(struct hid_device *hid) { struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); struct input_dev *dev = hidinput->input; + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor); const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice); struct lg4ff_device_entry *entry; @@ -1124,6 +1120,7 @@ int lg4ff_init(struct hid_device *hid) if (!entry) return -ENOMEM; spin_lock_init(&entry->report_lock); + entry->report = report; drv_data->device_props = entry; /* Check if a multimode wheel has been connected and