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Fri, 27 Feb 2026 15:50:58 -0800 (PST) Received: from achantapc.tail227c81.ts.net ([128.172.224.28]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-899c715a87esm52397446d6.4.2026.02.27.15.50.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Feb 2026 15:50:58 -0800 (PST) From: Sriman Achanta To: Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Bastien Nocera , Simon Wood , Christian Mayer , Sriman Achanta Subject: [PATCH v3 16/18] HID: steelseries: Add Bluetooth auto-enable sysfs attribute Date: Fri, 27 Feb 2026 18:50:40 -0500 Message-ID: <20260227235042.410062-17-srimanachanta@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260227235042.410062-1-srimanachanta@gmail.com> References: <20260227235042.410062-1-srimanachanta@gmail.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Expose the Bluetooth auto-enable setting as a read/write sysfs boolean attribute (bt_auto_enable). When enabled, the headset activates its Bluetooth radio automatically on power-on. Currently supported on the Arctis Nova 7, Nova 7P, and Nova 7 Gen2 via write command 0xb2. On the Nova 7 Gen2, the current value is recovered from the 0xa0 device settings response alongside inactive timeout and call audio ducking. Signed-off-by: Sriman Achanta --- drivers/hid/hid-steelseries.c | 65 ++++++++++++++++++++++++++++++++--- 1 file changed, 60 insertions(+), 5 deletions(-) diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c index f076a0ef8af1..a794af01e15a 100644 --- a/drivers/hid/hid-steelseries.c +++ b/drivers/hid/hid-steelseries.c @@ -32,6 +32,7 @@ #define SS_CAP_VOLUME_LIMITER BIT(8) #define SS_CAP_BT_CALL_DUCKING BIT(9) #define SS_CAP_INACTIVE_TIME BIT(10) +#define SS_CAP_BT_AUTO_ENABLE BIT(11) #define SS_QUIRK_STATUS_SYNC_POLL BIT(0) @@ -40,6 +41,7 @@ #define SS_SETTING_VOLUME_LIMITER 2 #define SS_SETTING_BT_CALL_DUCKING 3 #define SS_SETTING_INACTIVE_TIME 4 +#define SS_SETTING_BT_AUTO_ENABLE 5 struct steelseries_device; @@ -97,6 +99,7 @@ struct steelseries_device { bool bt_enabled; bool bt_device_connected; u8 inactive_timeout; + bool bt_auto_enable; spinlock_t lock; bool removed; @@ -644,6 +647,9 @@ static int steelseries_arctis_nova_7_write_setting(struct hid_device *hdev, case SS_SETTING_INACTIVE_TIME: cmd = 0xa3; break; + case SS_SETTING_BT_AUTO_ENABLE: + cmd = 0xb2; + break; default: return -EINVAL; } @@ -999,6 +1005,7 @@ static void steelseries_arctis_nova_7_gen2_parse_settings( break; case 0xa0: sd->inactive_timeout = data[1]; + sd->bt_auto_enable = data[3]; sd->bt_call_ducking = data[4]; break; case 0x37: @@ -1013,6 +1020,9 @@ static void steelseries_arctis_nova_7_gen2_parse_settings( case 0xa3: sd->inactive_timeout = data[1]; break; + case 0xb2: + sd->bt_auto_enable = data[1]; + break; case 0xb3: sd->bt_call_ducking = data[1]; break; @@ -1147,7 +1157,8 @@ static const struct steelseries_device_info arctis_nova_7_info = { .sync_interface = 3, .capabilities = SS_CAP_BATTERY | SS_CAP_CHATMIX | SS_CAP_SIDETONE | SS_CAP_MIC_VOLUME | SS_CAP_VOLUME_LIMITER | - SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME, + SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME | + SS_CAP_BT_AUTO_ENABLE, .quirks = SS_QUIRK_STATUS_SYNC_POLL, .sidetone_max = 3, .mic_volume_max = 7, @@ -1160,7 +1171,8 @@ static const struct steelseries_device_info arctis_nova_7_info = { static const struct steelseries_device_info arctis_nova_7p_info = { .sync_interface = 3, .capabilities = SS_CAP_BATTERY | SS_CAP_MIC_VOLUME | SS_CAP_VOLUME_LIMITER | - SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME, + SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME | + SS_CAP_BT_AUTO_ENABLE, .quirks = SS_QUIRK_STATUS_SYNC_POLL, .mic_volume_max = 7, .inactive_time_max = 255, @@ -1176,7 +1188,8 @@ static const struct steelseries_device_info arctis_nova_7_gen2_info = { SS_CAP_BT_ENABLED | SS_CAP_BT_DEVICE_CONNECTED | SS_CAP_EXTERNAL_CONFIG | SS_CAP_SIDETONE | SS_CAP_MIC_VOLUME | SS_CAP_VOLUME_LIMITER | - SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME, + SS_CAP_BT_CALL_DUCKING | SS_CAP_INACTIVE_TIME | + SS_CAP_BT_AUTO_ENABLE, .sidetone_max = 3, .mic_volume_max = 7, .inactive_time_max = 255, @@ -1416,14 +1429,53 @@ static ssize_t inactive_time_store(struct device *dev, return count; } +static ssize_t bt_auto_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct hid_device *hdev = to_hid_device(dev); + struct steelseries_device *sd = hid_get_drvdata(hdev); + + if (!sd->headset_connected) + return -ENODEV; + + return sysfs_emit(buf, "%d\n", sd->bt_auto_enable); +} + +static ssize_t bt_auto_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct hid_device *hdev = to_hid_device(dev); + struct steelseries_device *sd = hid_get_drvdata(hdev); + bool value; + int ret; + + if (!sd->headset_connected) + return -ENODEV; + + ret = kstrtobool(buf, &value); + if (ret) + return ret; + + ret = sd->info->write_setting(sd->hdev, SS_SETTING_BT_AUTO_ENABLE, value); + if (ret) + return ret; + + sd->bt_auto_enable = value; + + return count; +} + static DEVICE_ATTR_RO(bt_enabled); static DEVICE_ATTR_RO(bt_device_connected); static DEVICE_ATTR_RW(inactive_time); +static DEVICE_ATTR_RW(bt_auto_enable); static struct attribute *steelseries_headset_attrs[] = { &dev_attr_bt_enabled.attr, &dev_attr_bt_device_connected.attr, &dev_attr_inactive_time.attr, + &dev_attr_bt_auto_enable.attr, NULL, }; @@ -1447,6 +1499,8 @@ static umode_t steelseries_headset_attr_is_visible(struct kobject *kobj, return (caps & SS_CAP_BT_DEVICE_CONNECTED) ? attr->mode : 0; if (attr == &dev_attr_inactive_time.attr) return (caps & SS_CAP_INACTIVE_TIME) ? attr->mode : 0; + if (attr == &dev_attr_bt_auto_enable.attr) + return (caps & SS_CAP_BT_AUTO_ENABLE) ? attr->mode : 0; return 0; } @@ -2106,7 +2160,8 @@ static int steelseries_probe(struct hid_device *hdev, } if (info->capabilities & (SS_CAP_BT_ENABLED | SS_CAP_BT_DEVICE_CONNECTED | - SS_CAP_INACTIVE_TIME)) { + SS_CAP_INACTIVE_TIME | + SS_CAP_BT_AUTO_ENABLE)) { ret = sysfs_create_group(&hdev->dev.kobj, &steelseries_headset_attr_group); if (ret) @@ -2189,7 +2244,7 @@ static void steelseries_remove(struct hid_device *hdev) if (interface_num == sd->info->sync_interface) { if (sd->info->capabilities & (SS_CAP_BT_ENABLED | SS_CAP_BT_DEVICE_CONNECTED | - SS_CAP_INACTIVE_TIME)) + SS_CAP_INACTIVE_TIME | SS_CAP_BT_AUTO_ENABLE)) sysfs_remove_group(&hdev->dev.kobj, &steelseries_headset_attr_group); -- 2.53.0