From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta0.migadu.com (out-225.mta0.migadu.com [91.218.175.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57FD13B0AE7 for ; Thu, 13 Aug 2026 14:47:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.225 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786632469; cv=none; b=gLMdeeGfJjBnhUEeLtkGdm+FEVH60jdIHebWpLLyCI8aw8DrSUPz2fZpWvVeBKbkQlbNwR3RulZCX053vBEVu56zSqhzU9zCJUOQVONDhmoEXzhMB8t4o5Z9sWUWzoGUeVad/m6AFJOtfeJYb6f9UNTUUwIGu3V7zllfGDxB6v4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786632469; c=relaxed/simple; bh=CcKCfuUSiYcltdyiO06m3LyDVZhPoUpXmzMlciHMuTE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GKPBxpfwB9cbx7iiiati31RFgzktDatLfEqFCYBknmO4+B54hGwHgMIzXq0bplBZhbAYzGuQ+VNbumpyf1xDCLProyzdXru4MXqskCKZABL3okTNrMgfS9jQBn5nL1fEBw7QrIXp1cXWPH9j+Pl++DBCZTwYkXxk7/AZ1g8izOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=W8lIHSsq; arc=none smtp.client-ip=91.218.175.225 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="W8lIHSsq" X-Envelope-To: linux-kernel@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=CcKCfuUSiYcltdyiO06m3LyDVZhPoUpXmzMlciHMuTE=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1786632464; v=1; x=1787237264; b=W8lIHSsqsg5enlC8O91om+51fW3pcySX4TMVc/48PaUltnTAUlfdPkxMek3Sq4DrBJuH6oN1 aAZ+4bupHh5tnNsUNPNg9Hj8K+itGtzuu6EXqYZpittC3w4tTDlr26RpgUcngI77jJv34MYBUWf PvYXqOIGA9mqodFBIVl/O0vQ= X-Envelope-To: linux-kernel@vger.kernel.org Received: from kernel.denis-pc.lan (151.61.14.130) by smtp.migadu.com with ESMTPS id 0342368e285b731b; Thu, 13 Aug 2026 14:47:44 +0000 X-Migadu-Flow: FLOW_OUT From: Denis Benato To: linux-kernel@vger.kernel.org Cc: linux-input@vger.kernel.org, "Benjamin Tissoires" , "Jiri Kosina" , "Luke D . Jones" , "Mateusz Schwartz" , "Denis Benato" , "Jonathan LoBue" , "Khamunetri Clark" , "Derek J. Clark" , Denis Benato Subject: [PATCH 06/12] HID: asus: add triggers inner and outer range configuration Date: Thu, 13 Aug 2026 14:47:30 +0000 Message-ID: <20260813144736.2477941-7-denis.benato@linux.dev> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260813144736.2477941-1-denis.benato@linux.dev> References: <20260813144736.2477941-1-denis.benato@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ROG Ally devices allows configuring inner and outer ranges for triggers buttons on the back: allow userspace to configure the sesitivity by exposing sysfs attributes. Signed-off-by: Denis Benato Signed-off-by: Luke Jones --- drivers/hid/hid-asus.c | 298 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 298 insertions(+) diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 010b33533068..eb735ec8f065 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -1155,6 +1155,276 @@ static struct device_attribute dev_attr_right_joystick_outer_threshold = static struct device_attribute dev_attr_right_joystick_outer_threshold_range = __ATTR(outer_threshold_range, 0444, right_joystick_outer_threshold_range_show, NULL); +/** + * ally_set_trigger_ranges() - Generic function to set triggers ranges + * + * This function send the command to set both inner and outer threshold for + * the left and right triggers. + * + * @hdev: HID device + * @cfg: Ally config + * @left_it: lower limit of the left trigger range (0-50) + * @left_ot: upper limit of the left trigger range (70-100) + * @right_it: lower limit of the right trigger range (0-50) + * @right_ot: upper limit of the right trigger range (70-100) + * + * Returns 0 on success, negative error code on failure + */ +static int ally_set_trigger_ranges(struct hid_device *hdev, struct ally_config *cfg, + u8 left_it, u8 left_ot, u8 right_it, u8 right_ot) +{ + const u8 payload[] = { left_it, left_ot, right_it, right_ot }; + int ret; + + if (!cfg->xbox_controller_support) + return -ENODEV; + + u8 *buf __free(kfree) = ally_alloc_cmd(CMD_SET_TRIGGER_RANGE, payload, sizeof(payload)); + if (!buf) + return -ENOMEM; + + ret = ally_dev_set_report(hdev, buf, ROG_ALLY_REPORT_SIZE); + if (ret < 0) { + hid_err(hdev, "Failed to set trigger ranges: %d\n", ret); + return ret; + } + + return 0; +} + +static ssize_t left_trigger_range_lower_limit_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + + if (!ally || !ally->config) + return -ENODEV; + + return sysfs_emit(buf, "%u\n", ally->config->left_trigger_min); +} + +static ssize_t left_trigger_range_lower_limit_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + u8 value; + int ret; + + if (!ally || !ally->config) + return -ENODEV; + + ret = kstrtou8(buf, 10, &value); + if (ret || value > 50) + return -EINVAL; + + ret = ally_set_trigger_ranges(hdev, ally->config, + value, + ally->config->left_trigger_max, + ally->config->right_trigger_min, + ally->config->right_trigger_max); + if (ret) + return ret; + + scoped_guard(mutex, &ally->config->config_mutex) + ally->config->left_trigger_min = value; + + return count; +} + +static ssize_t left_trigger_range_lower_limit_range_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "0 50\n"); +} + +static ssize_t right_trigger_range_upper_limit_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + + if (!ally || !ally->config) + return -ENODEV; + + return sysfs_emit(buf, "%u\n", ally->config->right_trigger_max); +} + +static ssize_t right_trigger_range_upper_limit_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + u8 value; + int ret; + + if (!ally || !ally->config) + return -ENODEV; + + ret = kstrtou8(buf, 10, &value); + if (ret || value < 70 || value > 100) + return -EINVAL; + + ret = ally_set_trigger_ranges(hdev, ally->config, + ally->config->left_trigger_min, + ally->config->left_trigger_max, + ally->config->right_trigger_min, + value); + if (ret) + return ret; + + scoped_guard(mutex, &ally->config->config_mutex) + ally->config->right_trigger_max = value; + + return count; +} + +static ssize_t right_trigger_range_upper_limit_range_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "70 100\n"); +} + +static ssize_t right_trigger_range_lower_limit_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + + if (!ally || !ally->config) + return -ENODEV; + + return sysfs_emit(buf, "%u\n", ally->config->right_trigger_min); +} + +static ssize_t right_trigger_range_lower_limit_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + u8 value; + int ret; + + if (!ally || !ally->config) + return -ENODEV; + + ret = kstrtou8(buf, 10, &value); + if (ret || value > 50) + return -EINVAL; + + ret = ally_set_trigger_ranges(hdev, ally->config, + ally->config->left_trigger_min, + ally->config->left_trigger_max, + value, + ally->config->right_trigger_max); + if (ret) + return ret; + + scoped_guard(mutex, &ally->config->config_mutex) + ally->config->right_trigger_min = value; + + return count; +} + +static ssize_t right_trigger_range_lower_limit_range_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "0 50\n"); +} + +static ssize_t left_trigger_range_upper_limit_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + + if (!ally || !ally->config) + return -ENODEV; + + return sysfs_emit(buf, "%u\n", ally->config->left_trigger_max); +} + +static ssize_t left_trigger_range_upper_limit_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = to_hid_device(dev); + struct asus_drvdata *drvdata = hid_get_drvdata(hdev); + struct ally_handheld *const ally = drvdata->rog_ally; + u8 value; + int ret; + + if (!ally || !ally->config) + return -ENODEV; + + ret = kstrtou8(buf, 10, &value); + if (ret || value < 70 || value > 100) + return -EINVAL; + + ret = ally_set_trigger_ranges(hdev, ally->config, + ally->config->left_trigger_min, + value, + ally->config->right_trigger_min, + ally->config->right_trigger_max); + if (ret) + return ret; + + scoped_guard(mutex, &ally->config->config_mutex) + ally->config->left_trigger_max = value; + + return count; +} + +static ssize_t left_trigger_range_upper_limit_range_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sysfs_emit(buf, "70 100\n"); +} + +static struct device_attribute dev_attr_left_trigger_range_lower_limit = + __ATTR(range_lower_limit, 0644, left_trigger_range_lower_limit_show, + left_trigger_range_lower_limit_store); + +static struct device_attribute dev_attr_left_trigger_range_lower_limit_range = + __ATTR(range_lower_limit_range, 0444, left_trigger_range_lower_limit_range_show, NULL); + +static struct device_attribute dev_attr_left_trigger_range_upper_limit = + __ATTR(range_upper_limit, 0644, left_trigger_range_upper_limit_show, + left_trigger_range_upper_limit_store); + +static struct device_attribute dev_attr_left_trigger_range_upper_limit_range = + __ATTR(range_upper_limit_range, 0444, left_trigger_range_upper_limit_range_show, NULL); + +static struct device_attribute dev_attr_right_trigger_range_lower_limit = + __ATTR(range_lower_limit, 0644, right_trigger_range_lower_limit_show, + right_trigger_range_lower_limit_store); + +static struct device_attribute dev_attr_right_trigger_range_lower_limit_range = + __ATTR(range_lower_limit_range, 0444, right_trigger_range_lower_limit_range_show, NULL); + +static struct device_attribute dev_attr_right_trigger_range_upper_limit = + __ATTR(range_upper_limit, 0644, right_trigger_range_upper_limit_show, + right_trigger_range_upper_limit_store); + +static struct device_attribute dev_attr_right_trigger_range_upper_limit_range = + __ATTR(range_upper_limit_range, 0444, right_trigger_range_upper_limit_range_show, NULL); + static struct attribute *ally_config_attrs[] = { &dev_attr_xbox_controller.attr, NULL @@ -1188,6 +1458,22 @@ static struct attribute *right_joystick_axis_attrs[] = { NULL }; +static struct attribute *left_trigger_attrs[] = { + &dev_attr_left_trigger_range_lower_limit.attr, + &dev_attr_left_trigger_range_upper_limit.attr, + &dev_attr_left_trigger_range_lower_limit_range.attr, + &dev_attr_left_trigger_range_upper_limit_range.attr, + NULL +}; + +static struct attribute *right_trigger_attrs[] = { + &dev_attr_right_trigger_range_lower_limit.attr, + &dev_attr_right_trigger_range_upper_limit.attr, + &dev_attr_right_trigger_range_lower_limit_range.attr, + &dev_attr_right_trigger_range_upper_limit_range.attr, + NULL +}; + static const struct attribute_group ally_attr_groups[] = { { .attrs = ally_config_attrs, @@ -1208,6 +1494,14 @@ static const struct attribute_group ally_attr_groups[] = { .name = "right_joystick_axis", .attrs = right_joystick_axis_attrs, }, + { + .name = "left_trigger", + .attrs = left_trigger_attrs, + }, + { + .name = "right_trigger", + .attrs = right_trigger_attrs, + }, }; /** @@ -1246,6 +1540,10 @@ static struct ally_config *ally_config_create(struct hid_device *hdev, struct al cfg->left_outer_threshold = 90; cfg->right_deadzone = 10; cfg->right_outer_threshold = 90; + cfg->left_trigger_min = 0; + cfg->left_trigger_max = 100; + cfg->right_trigger_min = 0; + cfg->right_trigger_max = 100; cfg->vibration_intensity_left = 100; cfg->vibration_intensity_right = 100; cfg->vibration_active = false; -- 2.47.3