From nobody Wed Oct 8 10:58:17 2025 Received: from mail-ej1-f54.google.com (mail-ej1-f54.google.com [209.85.218.54]) (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 2B1AB28C2BE for ; Mon, 30 Jun 2025 14:13:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751292794; cv=none; b=VRg74EiJzU7O7LrQimbU7/i4JFAqWAOKkCRL2LvF76A0uT1vzyjaxLmKvZ+8eSgu2mpOqxvZqMwV/z/8NHaNmNEbrFHH8nK1SVlEq1Lqx6eXJdJVhv0qRyBQe9ifE2WCF8uG2VodOGLTbCVaofI1+p/qvxAQVH/N82lWE+AtRTk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751292794; c=relaxed/simple; bh=Vml+Vlmh/yNyrlNV0OMkYSZVPlVmBlgOUuBzWRBqzfg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZQ6dbNBlikwI8y8LxEln90ObuyAmx94laBBCH7tvbPRznB8e3S3SXJQ/hJ5A3xCSfOcWO5t0dXIvCQCgPzfJlo++fs2wMLbEV6C+ZIa20ByHiX4lplYCBWJosnNh2vWQ0aLEXOfEWyN4A1fvpuJSXm0x0y7Nz40JIjXluNTk5D8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=nQbDSTCC; arc=none smtp.client-ip=209.85.218.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="nQbDSTCC" Received: by mail-ej1-f54.google.com with SMTP id a640c23a62f3a-ae0dd62f2adso799370866b.2 for ; Mon, 30 Jun 2025 07:13:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1751292791; x=1751897591; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/8NRsPP90vS0j3nzCWJKBndtcs4Ube9as2Ue2hWIhFU=; b=nQbDSTCC3FxgKwEiRz1PSeZOVISZ5LatLPX66rfD6etRhMS3QASWeUW7zKGxbLinig vdA76B/6nbXoj3bCxCUCGLjzOl88bDgERTbkpF2cp3F0jh/d60OUj3p1t7XD/oGyV2Il YvCCVfLRppreCCw7f0d0AbR9a/FNp0Hy2IDo8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751292791; x=1751897591; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/8NRsPP90vS0j3nzCWJKBndtcs4Ube9as2Ue2hWIhFU=; b=vUJFE/wmFCDK0fvTVCZK+RsN8CGCMbwEulkk3Y6l9ZOb0C2RswkR0qN+GA4exxVCby mugDWBvGyDR9ZizSK+cH3V9v4P2wthlmYer+hQ5FXfV8gLDEcTHlcBtckiJ9euTextvH /Lq3i+5hfzlCQNCksU6Dalj0yTfreldqkucTTDAgXzGTB0Dk4LjIL0fv4pocNND49fwE 7zz5bFH1pgohC7oaB9UxLZv6cAgIPnPy1r5ztMnJ2DYEqQ/duIIuvujlAc2RwxixQr5p 2aCm44AgZjrUD5a6e9Zr3ShC6yDi65MTiw8uBTTNHWH3U0KTvhjVNkU6jQITa6gt9iru mkkA== X-Forwarded-Encrypted: i=1; AJvYcCVaoyrUmPYU3lp73dhraDoOeF27v2nOq6/dEk+z/9Y0w8tATCMiFp0Nd8XvzXVtzO6gcTGs7EoxhHiYfZI=@vger.kernel.org X-Gm-Message-State: AOJu0YylUYliOz5HwzFyrO5ic9/uKffSPxs6ueYIR57fuVTXEZz66Lga XLmXzgKqdjyzDEmXMA+tGRhDS9j2YtV0/RmVvWABDS437wqZXmBZ4YZp1ikLI5uFCg== X-Gm-Gg: ASbGncuTYuqNZeN6wSm71dL0H+H1HsQcx95DOa3BXhf3r/anjI5Vkd0hnQi8cB1r8t6 zMxKXk7jHoqwR6Y9sJDYVhHhqfZQAW/shLIN8nkUyCj0n01lDuoW1sEuuntMKP4fpQQ+X4vRQhe bWCWQlFPj6fKDwuNfYRmSFIJGDVXwASUf/7Vl7/X/cPk54eU1ONIpz5m9Nd3KqTxJ9L62/JXFYg N9loapFWEEPZSgeE75ZWKBoWeyuYkmzqmAdzZELzSjZqT86bQDA4MjWo4/c8Sg7parn3bfzOp9r o3OK2O0xfK+QBKZ7IssSM9OkDaiu27hl8hSQhj/B9njhrd01gJaUeSkofhaEJcIx3SDM/UlWR0/ C++vnDGpxNBAco3wArgNmpWNLWypaHMjmrFtOCTxstOmDdI6Ebl64 X-Google-Smtp-Source: AGHT+IE29gt8xWBI8pZXeQthKWA11FWxnfDchrHgHB2UzYqRmz/TTQgJ95KCGJWKBD6ofw4Dv8EGrQ== X-Received: by 2002:a17:907:720f:b0:ae0:c6fa:ef45 with SMTP id a640c23a62f3a-ae35011ed14mr1314176166b.41.1751292791326; Mon, 30 Jun 2025 07:13:11 -0700 (PDT) Received: from akuchynski.c.googlers.com.com (72.144.91.34.bc.googleusercontent.com. [34.91.144.72]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae35363b416sm670643866b.28.2025.06.30.07.13.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jun 2025 07:13:10 -0700 (PDT) From: Andrei Kuchynski To: Heikki Krogerus , Abhishek Pandit-Subedi , Benson Leung , Jameson Thies , Tzung-Bi Shih , linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Cc: Guenter Roeck , Greg Kroah-Hartman , Dmitry Baryshkov , "Christian A. Ehrhardt" , linux-kernel@vger.kernel.org, Andrei Kuchynski Subject: [PATCH v2 10/10] platform/chrome: cros_ec_typec: Add default_usb_mode_set support Date: Mon, 30 Jun 2025 14:12:39 +0000 Message-ID: <20250630141239.3174390-11-akuchynski@chromium.org> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog In-Reply-To: <20250630141239.3174390-1-akuchynski@chromium.org> References: <20250630141239.3174390-1-akuchynski@chromium.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 Content-Type: text/plain; charset="utf-8" The `cros_ec_typec` driver currently doesn't directly consume a default USB mode value. This commit adds the `default_usb_mode_set` function, enabling the `usb_capability` sysfs attribute to be writable. This functionality allows users to dynamically activate or deactivate USB4 mode on a given port. Signed-off-by: Andrei Kuchynski --- drivers/platform/chrome/cros_ec_typec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chr= ome/cros_ec_typec.c index c5a7f42ffb5a..3de6b819906e 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -44,6 +44,11 @@ static void cros_typec_role_switch_quirk(struct fwnode_h= andle *fwnode) #endif } =20 +static int cros_typec_default_usb_mode_set(struct typec_port *port, enum u= sb_mode mode) +{ + return 0; +} + static int cros_typec_enter_usb_mode(struct typec_port *tc_port, enum usb_= mode mode) { struct cros_typec_port *port =3D typec_get_drvdata(tc_port); @@ -59,6 +64,7 @@ static int cros_typec_enter_usb_mode(struct typec_port *t= c_port, enum usb_mode m } =20 static const struct typec_operations cros_typec_usb_mode_ops =3D { + .default_usb_mode_set =3D cros_typec_default_usb_mode_set, .enter_usb_mode =3D cros_typec_enter_usb_mode }; =20 --=20 2.50.0.727.gbf7dc18ff4-goog