From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f42.google.com (mail-ej1-f42.google.com [209.85.218.42]) (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 CB25F239E9D for ; Thu, 14 Aug 2025 18:45:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755197106; cv=none; b=N2NTeg4V59Qt4CZ3nIaik80JNQfduSgYVI3A3cY/pJrFTwZbMUnoNtWh9TrlM84p/A8T0NYS8wfDa6vA9CWLABtNDBbct5wfyqPMikE7sHemmMwzE5i+jR22ZNXKNyl9qgC97xybyluz+uaTpv4/Tx7nSMS+sK2pgbwZI05AbNg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755197106; c=relaxed/simple; bh=E3gkZiMJy3Qekd4+VwlRIk3WdC/Pz+bTehDrLOXH3ZE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Dtxtx2sx4LzVEQ5ib3Ns0wGosz5wXKopn0GrPnrVE/E/Qq6Z6wcNoyb//w1F/xXSF4emtLHKJvtsTJBKSD+t2TOK7oVbUCivvu9gVnVpGb4B2BkCEEv8aEqFYH3+98suIsgCPxbZhefFAlZGpfWS56F+6ka8zcCBh+6+3MpXCx4= 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=JtFmhMsV; arc=none smtp.client-ip=209.85.218.42 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="JtFmhMsV" Received: by mail-ej1-f42.google.com with SMTP id a640c23a62f3a-afcb79f659aso196493166b.2 for ; Thu, 14 Aug 2025 11:45:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1755197103; x=1755801903; 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=GuaFAn8mD8lF/OW0DQcqSD5HNRrV4Il3w/RtqwKWzZ4=; b=JtFmhMsVn0wR42xfLk5wFPhpavl/Fqp1ZzbQqgJOtOx+PL9kwc33Izqekd+RyMsl4f +8/LK47jDfM5pJWgD6Rr7KJLekE64dmJ9HLRQ/dEPQo6NAufD1Y4tGrqnvl/UZbtK65R yB2e1bY/L35fVCJKH/A4Bef1N64KZusOCY3SU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755197103; x=1755801903; 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=GuaFAn8mD8lF/OW0DQcqSD5HNRrV4Il3w/RtqwKWzZ4=; b=UyYL38Zj1nawxkiN1eGjyHEAjbRo5AlLBK1DRCQxLUwJr9gr0dGp4la6f0PCp9fVoO 2+Vr5K+owOSSbMnB44SAZuZ+gsI5p/EP6nIZtVzCYl8L9uw4sWN+KWwIh2/RTX83vee9 5mGol1gNygudAES8kHMcCIDidpkuGjmClxtNkB8U8i4D5zEowiUH0n4/lxWddrPzPjt8 hHcVlmnb50ydNshkJod+TpvVnObVFwS6EmwJalV/wQ/xTssVs8I7SBull2wdRqrOCvOr bWGqW9CaFHwxXvFExli20UUVvcrddS/FtA7TC2cHZdsKJay2Imz6KCADaiaDNcfX2Wwg 33kQ== X-Forwarded-Encrypted: i=1; AJvYcCUcAOp9ZKcgopMWjheXi28dtSbZEVMwTayzJXw9W9Y2MfIT2BcuBzI/UBU9t1pUyEW5NVt3LHEZ1cFoKzs=@vger.kernel.org X-Gm-Message-State: AOJu0YxOkRR5ntLPJANd277zCH0z/VEhlSifNr095KOzBcVnawPbU2zl heoK6Iy1Ju8Mb/Dzvn4TSMoUcyev2q7s2ZsO3QMvXNSc9e9jrU25vrtcTTEGx13/yw== X-Gm-Gg: ASbGncvyfnd5ki1dDTTW+p5x2bE2Irfj1dQrE86ls/OUmxdjgoBtEevmv+BhZ6a9h+h 8GyHeRur4r+y/YebWP4WTsSkODkLUKs2vESh6RFDnV5UZJWd7OfGPRMmISLCzWauGZsSOXxXExq uk0mgrEUq9AZ1QsFaw2TgLmVdaRWzXIys4BIJCEYKoQlqKM0FwRwwdjeaiBLpYgCIPf0Uh6iukh BiZeP6TUNhtuQPf6rAPSMFvwmXtVWrMlo/RCZAwU7d+lJH44AMX4lt531B28xJi5pCY03QmClL9 lMEjbMqvDNzRnbeMtS/eQFMbf0SkDtA0akrVJhzmW5SDs6y0Z/G0TDhqvYdQ0lHLJQvsi3zha5n t3vkwMY1bnhcD0bzSNcii3uwCaQjJ1HKghNrDsuNiMTTHj262suOKldNKk5AQOZ7HP7XwMTJryI BYIYjaGb1u7QLPSUlhc7+ptR0= X-Google-Smtp-Source: AGHT+IEqCZJqh3teh+GhByw+v1VIC6n/AQos6jbLx57TxiI9cPnPVwtbFarEeGQNwPBfnwrymbSlRw== X-Received: by 2002:a17:907:97d0:b0:af9:2bb9:ea36 with SMTP id a640c23a62f3a-afcb9395356mr407563366b.7.1755197103114; Thu, 14 Aug 2025 11:45:03 -0700 (PDT) Received: from akuchynski.c.googlers.com.com (37.247.91.34.bc.googleusercontent.com. [34.91.247.37]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af91a21c0f4sm2614772466b.106.2025.08.14.11.45.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Aug 2025 11:45:02 -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" , Venkat Jayaraman , linux-kernel@vger.kernel.org, Andrei Kuchynski Subject: [PATCH v1 2/5] platform/chrome: cros_ec_typec: Set alt_mode_override flag Date: Thu, 14 Aug 2025 18:44:52 +0000 Message-ID: <20250814184455.723170-3-akuchynski@chromium.org> X-Mailer: git-send-email 2.51.0.rc1.163.g2494970778-goog In-Reply-To: <20250814184455.723170-1-akuchynski@chromium.org> References: <20250814184455.723170-1-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: 8bit This flag specifies that the Embedded Controller (EC) must receive explicit approval from the Application Processor (AP) before initiating Type-C alternate modes or USB4 mode. Signed-off-by: Andrei Kuchynski --- drivers/platform/chrome/cros_ec_typec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index b712bcff6fb2..99f549263c37 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -491,6 +491,7 @@ static int cros_typec_init_ports(struct cros_typec_data *typec) cap->driver_data = cros_port; cap->ops = &cros_typec_usb_mode_ops; + cap->alt_mode_override = typec->ap_driven_altmode; cros_port->port = typec_register_port(dev, cap); if (IS_ERR(cros_port->port)) { -- 2.51.0.rc0.215.g125493bb4a-goog