From patchwork Fri Jan 29 06:14:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benson Leung X-Patchwork-Id: 373642 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A697AC433DB for ; Fri, 29 Jan 2021 06:16:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A0A664DFB for ; Fri, 29 Jan 2021 06:16:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232126AbhA2GQN (ORCPT ); Fri, 29 Jan 2021 01:16:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232029AbhA2GPi (ORCPT ); Fri, 29 Jan 2021 01:15:38 -0500 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6741BC06178A for ; Thu, 28 Jan 2021 22:14:22 -0800 (PST) Received: by mail-pj1-x1034.google.com with SMTP id cq1so5228807pjb.4 for ; Thu, 28 Jan 2021 22:14:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mV7nf+buXJQ9+XxF7K4sp0VELy5hFFaKIItPtbNn5WA=; b=VW9HbEAybqcA1AcQzeng934Z38FnPt59yz4mXRIKlMpe5SQDtsrOKXZ7wXiwjXQ5in dMoVzuudHfCWL+oeqJIGNf8rSqwowKHCbbg+nheiIx+FYSXtUeTBSenrjKQvb6KU0W7z zTEdksDK+dbWC3uLKhX9KyO6xRyoP0nQOqY+0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=mV7nf+buXJQ9+XxF7K4sp0VELy5hFFaKIItPtbNn5WA=; b=ElTJ53PHYKTv4d7z88P0HGH5uq0bBNI2ER9zqSbAysJv0j5A5p59zSZTnlNpdqrC0e weoMzvUuEEqyHvkSN7QckUD4Bhwaizs2zicuhOzT9yLfs8Iq6/2qJ7Va/qZbGCngnFQu 47mlRQ+W3htDgosC34xk8L13fDLNhaMd4kdsBCDeXlWf46bXWgRMsageT2f8Jnpxwy38 rjq6lp0e75Sqs1nGWAzTzaXlhQggK8vqnYaPtvN1+ysTXVLTVMZQxxnlq7casvFYLVVS Wt7mCit68cF4JedN7F7j3C0BFUWim3hlDDxLMGEm/y73ww0D0VhdnEefHouY/2U27Jo3 7wwg== X-Gm-Message-State: AOAM533wHKOyahccRYP38gtMl4IeHV/HxohrKSV/nlrEv2rtSYjL+4Td zVoEO1Hg1YHrqon4twdtwccaoQ== X-Google-Smtp-Source: ABdhPJwtT0ZRfXmWvhktB4knPBnVOUNlL3eryEdErZCiOeAPwExtYPJGu5aBc7eSz+b/QAuGP0mB5A== X-Received: by 2002:a17:902:fe08:b029:de:36a1:9f12 with SMTP id g8-20020a170902fe08b02900de36a19f12mr2816050plj.30.1611900862047; Thu, 28 Jan 2021 22:14:22 -0800 (PST) Received: from bleung.mtv.corp.google.com ([2620:15c:202:201:f693:9fff:fef4:fc72]) by smtp.gmail.com with ESMTPSA id 17sm7551013pfv.13.2021.01.28.22.14.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Jan 2021 22:14:21 -0800 (PST) From: Benson Leung To: heikki.krogerus@linux.intel.com, enric.balletbo@collabora.com, pmalani@chromium.org, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: groeck@chromium.org, bleung@google.com, bleung@chromium.org Subject: [PATCH 4/6] platform/chrome: cros_ec_typec: Report SOP' PD revision from status Date: Thu, 28 Jan 2021 22:14:04 -0800 Message-Id: <20210129061406.2680146-5-bleung@chromium.org> X-Mailer: git-send-email 2.30.0.365.g02bc693789-goog In-Reply-To: <20210129061406.2680146-1-bleung@chromium.org> References: <20210129061406.2680146-1-bleung@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org cros_typec_handle_sop_prime_disc now takes the PD revision provided by the EC_CMD_TYPEC_STATUS command response for the SOP'. Attach the properly formatted pd_revision to the cable desc before registering the cable. Signed-off-by: Benson Leung Acked-by: Heikki Krogerus Acked-by: Enric Balletbo i Serra Reviewed-by: Prashant Malani --- drivers/platform/chrome/cros_ec_typec.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index e724a5eaef1c..30600e9454e1 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -748,7 +748,7 @@ static void cros_typec_parse_pd_identity(struct usb_pd_identity *id, id->vdo[i - 3] = disc->discovery_vdo[i]; } -static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num) +static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num, u16 pd_revision) { struct cros_typec_port *port = typec->ports[port_num]; struct ec_response_typec_discovery *disc = port->disc_data; @@ -794,6 +794,7 @@ static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p } c_desc.identity = &port->c_identity; + c_desc.pd_revision = pd_revision; port->cable = typec_register_cable(port->port, &c_desc); if (IS_ERR(port->cable)) { @@ -893,7 +894,11 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num if (resp.events & PD_STATUS_EVENT_SOP_PRIME_DISC_DONE && !typec->ports[port_num]->sop_prime_disc_done) { - ret = cros_typec_handle_sop_prime_disc(typec, port_num); + u16 sop_prime_revision; + + /* Convert BCD to the format preferred by the TypeC framework */ + sop_prime_revision = (le16_to_cpu(resp.sop_prime_revision) & 0xff00) >> 4; + ret = cros_typec_handle_sop_prime_disc(typec, port_num, sop_prime_revision); if (ret < 0) dev_err(typec->dev, "Couldn't parse SOP' Disc data, port: %d\n", port_num); else