From nobody Sat Apr 11 09:11:59 2026 Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [80.241.56.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 072121339A4; Sat, 7 Mar 2026 09:49:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772876962; cv=none; b=cOGwh7MuK0RVWv2FIgQqfAwgAP/252YSJ5/1kgeAohooYTtwCwYfE+0QTNghm2oQQ54Na8Y9j+6Gry85w/FmPRsHJ2teuCqQrfT3gtzygKgS8Z8ioCsc2gHi1Z8Ph9CX1Y65qPdJ58vunJChslxOO5b0vqwn9RJvDlTHzxqx9Rs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772876962; c=relaxed/simple; bh=F6LNkG2WzFE8KDittlLMCztH5YU7mSDfMqhoHeXv26g=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=FyjyCTgGi1ISOsdeywSxcA0jHqAcA+lHcyWtlKIJy4QFJAqVE0oLCkWkaZYUiyLdvuoWsC2hr4SCP6iVUjuPvG5lFeHzIjbZ/0e6BeuRxC6bjA+ljN7HVSlpbKhclz+wVVy2OHRwV2mF+QHbb92zNIQ7sf0wulN6bJIU6WQ21ow= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=gAoWdi6y; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=JaHBRFYy; arc=none smtp.client-ip=80.241.56.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="gAoWdi6y"; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="JaHBRFYy" Received: from smtp1.mailbox.org (smtp1.mailbox.org [10.196.197.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-202.mailbox.org (Postfix) with ESMTPS id 4fSdlX4sX2z9tV5; Sat, 7 Mar 2026 10:49:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1772876952; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bQMGkRDJORFqsKsOiRZcrSgkKCwsKoPA1jJjVXTH5Gw=; b=gAoWdi6yJ/pSFiu/JiT79lt+D5IpXjcHxWTeb++EklCgKa1T7o0acJ3Y2QmZFC4uRALCsJ zrZ9HbMXGOUbAtr+v4vqk5WnFsZkByZaxowYDUkmmKPngF72A93rcPFPak1/Go/Pd0WZjh jBA40T417meGHhF4gLMZtX3W7KfT/H2eVzwDYy/uWUosMBHffi5ym+J01bpzFKPVqa2kCE QqhatNAXJwpnvMOoPBpbVpeXvlJml24hJaOUQx3bhTEVCwXo7LXT2uBFE6OoHqTr7kt2dw 36a9Qs57HvE7U7aLzhqdPRzT+NMJIEswKWU9o9S4O3wugUJxgFpsNxI61yQkKg== From: Rosalie Wanders DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1772876951; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=bQMGkRDJORFqsKsOiRZcrSgkKCwsKoPA1jJjVXTH5Gw=; b=JaHBRFYyv1YwZgVmIdYfOTszoQZYWtKf4cyAJDCZkHev22s3svznLocoXQudV2rMdPd+IF 9NxpbFlW7rF9MAy2jt98vmnE6vqZ3G/RprtoDZDFy6bRnKq9XAbSQlTCRC5RgzORF9YYMn GcYSer8GOtxriZDXbhoqlXqrVBiaXRiHFbpQjJ9Yh3HJDSv2IM0a6sOqLaKSQyq50MAAWj KoCe5HAGZfX8vFFHyudx0fQb3oc1z+0SqEIhbxWTJ1/LEHIhN3vjXnZM8r6FIQB6h1K4ep NgoURnWltPg9/QqayKCDbmIsw/k1JSlC9hsc/ZLbdcqFEgLrQ5PMZubW9qPiWw== To: Jiri Kosina , Benjamin Tissoires Cc: Rosalie Wanders , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] HID: sony: add battery status support for Rock Band 4 PS5 guitars Date: Sat, 7 Mar 2026 10:48:25 +0100 Message-ID: <20260307094824.50332-2-rosalie@mailbox.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-MBO-RS-ID: 0ddf88c5082abfcf458 X-MBO-RS-META: dho3kierfhtb3rrw41jmx4fr3u4zsqmw Content-Type: text/plain; charset="utf-8" This commit adds battery status support for Rock Band 4 PS5 guitars. The data is reported in the same way as the dualsense in hid-playstation except it's located at byte 30. Signed-off-by: Rosalie Wanders --- drivers/hid/hid-sony.c | 40 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index a89af14e4acc..5a1d41cb3a72 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -72,7 +72,8 @@ NAVIGATION_CONTROLLER_BT) #define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\ MOTION_CONTROLLER | NAVIGATION_CONTROLLER) -#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | MOTION_CONTROLLER_BT | = NAVIGATION_CONTROLLER) +#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | MOTION_CONTROLLER_BT | = NAVIGATION_CONTROLLER |\ + RB4_GUITAR_PS5) #define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | MOTION_CONTROLLER) #define SONY_BT_DEVICE (SIXAXIS_CONTROLLER_BT | MOTION_CONTROLLER_BT | NAV= IGATION_CONTROLLER_BT) #define NSG_MRXU_REMOTE (NSG_MR5U_REMOTE_BT | NSG_MR7U_REMOTE_BT) @@ -991,6 +992,12 @@ static void rb4_ps4_guitar_parse_report(struct sony_sc= *sc, u8 *rd, int size) =20 static void rb4_ps5_guitar_parse_report(struct sony_sc *sc, u8 *rd, int si= ze) { + u8 charging_status; + u8 battery_data; + u8 battery_capacity; + u8 battery_status; + unsigned long flags; + /* * Rock Band 4 PS5 guitars have whammy and * tilt functionality, they're located at @@ -1003,6 +1010,37 @@ static void rb4_ps5_guitar_parse_report(struct sony_= sc *sc, u8 *rd, int size) input_report_abs(sc->input_dev, ABS_Z, rd[41]); input_report_abs(sc->input_dev, ABS_RZ, rd[42]); =20 + /* + * Rock Band 4 PS5 guitars also report the + * battery status and level at byte 30. + */ + charging_status =3D (rd[30] >> 4) & 0x0F; + battery_data =3D rd[30] & 0x0F; + + switch (charging_status) { + case 0x0: + battery_capacity =3D min(battery_data * 10 + 5, 100); + battery_status =3D POWER_SUPPLY_STATUS_DISCHARGING; + break; + case 0x1: + battery_capacity =3D min(battery_data * 10 + 5, 100); + battery_status =3D POWER_SUPPLY_STATUS_CHARGING; + break; + case 0x2: + battery_capacity =3D 100; + battery_status =3D POWER_SUPPLY_STATUS_FULL; + break; + default: + battery_capacity =3D 0; + battery_status =3D POWER_SUPPLY_STATUS_UNKNOWN; + break; + } + + spin_lock_irqsave(&sc->lock, flags); + sc->battery_capacity =3D battery_capacity; + sc->battery_status =3D battery_status; + spin_unlock_irqrestore(&sc->lock, flags); + input_sync(sc->input_dev); } =20 --=20 2.53.0