From patchwork Tue Aug 15 20:04:51 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 9902507 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7917860230 for ; Tue, 15 Aug 2017 20:09:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6D36C288FC for ; Tue, 15 Aug 2017 20:09:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 622A528911; Tue, 15 Aug 2017 20:09:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 177F4288FC for ; Tue, 15 Aug 2017 20:09:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753170AbdHOUFb (ORCPT ); Tue, 15 Aug 2017 16:05:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46952 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753022AbdHOUF3 (ORCPT ); Tue, 15 Aug 2017 16:05:29 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D5BA06532; Tue, 15 Aug 2017 20:05:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D5BA06532 Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=hdegoede@redhat.com Received: from dhcp-45-79.space.revspace.nl.com (ovpn-112-17.ams2.redhat.com [10.36.112.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6453B5DDA8; Tue, 15 Aug 2017 20:05:23 +0000 (UTC) From: Hans de Goede To: Wolfram Sang , Guenter Roeck , Heikki Krogerus , Sebastian Reichel , Darren Hart , Andy Shevchenko , Greg Kroah-Hartman Cc: Hans de Goede , Liam Breck , Tony Lindgren , linux-i2c@vger.kernel.org, linux-pm@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, "Yueyao (Nathan) Zhu" Subject: [PATCH v2 03/14] staging: typec: fusb302: Set max supply voltage to 5V Date: Tue, 15 Aug 2017 22:04:51 +0200 Message-Id: <20170815200502.17339-4-hdegoede@redhat.com> In-Reply-To: <20170815200502.17339-1-hdegoede@redhat.com> References: <20170815200502.17339-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 15 Aug 2017 20:05:29 +0000 (UTC) Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Anything higher then 5V may damage hardware not capable of it, so the only sane default here is 5V. If a board is able to handle a higher voltage that should come from board specific data such as device-tree and not be hard coded into the fusb302 code. Cc: "Yueyao (Nathan) Zhu" Signed-off-by: Hans de Goede --- drivers/staging/typec/fusb302/fusb302.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/typec/fusb302/fusb302.c b/drivers/staging/typec/fusb302/fusb302.c index 03a3809..6baed06 100644 --- a/drivers/staging/typec/fusb302/fusb302.c +++ b/drivers/staging/typec/fusb302/fusb302.c @@ -1187,9 +1187,9 @@ static const struct tcpc_config fusb302_tcpc_config = { .nr_src_pdo = ARRAY_SIZE(src_pdo), .snk_pdo = snk_pdo, .nr_snk_pdo = ARRAY_SIZE(snk_pdo), - .max_snk_mv = 9000, + .max_snk_mv = 5000, .max_snk_ma = 3000, - .max_snk_mw = 27000, + .max_snk_mw = 15000, .operating_snk_mw = 2500, .type = TYPEC_PORT_DRP, .default_role = TYPEC_SINK,