From patchwork Wed Jan 11 02:05:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prashant Malani X-Patchwork-Id: 641622 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E4DBC54EBC for ; Wed, 11 Jan 2023 02:06:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235409AbjAKCGU (ORCPT ); Tue, 10 Jan 2023 21:06:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235003AbjAKCGH (ORCPT ); Tue, 10 Jan 2023 21:06:07 -0500 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54391200F for ; Tue, 10 Jan 2023 18:06:07 -0800 (PST) Received: by mail-pj1-x102e.google.com with SMTP id q64so14351602pjq.4 for ; Tue, 10 Jan 2023 18:06:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; 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=aBFAbmggijOhKjLzf9il6pua2012DvMDyGgeIBZj5ls=; b=m2MFXy1xICKP7wXEyoTOm7zW0ptblveblZ8XnwBpeo2AKBwPeFD5jmjnjHS6MtgLnx KyKFP2HmIFuQmtQYccuYE92XM+qfF/VMEIgI4zwELU1woAYUZ7poA9Qb1r92ssWmC6wV ur7+Sh2GggjJFj+4LcSt6TetHYyIJ8lb2nBSQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=aBFAbmggijOhKjLzf9il6pua2012DvMDyGgeIBZj5ls=; b=QZp+P8FhpKC2PzV7z+YmyE5D4KZglNWHSgyXYGYJFhMsk6kgEtwUUX9p1BUVF12zAd bXcYBtNA+2mEMUEjUW7UMvHV3KdC8eFUiXc7PSK1UjL1LJWxWPpblq/hm4Eb7eM+gBhG zY9L8txrkPeWX8/N0jPGdhheQPs3ocpKuXjdDfPaZrfQfyB8nLoHaCg5Ge0LWMfJiMO3 w6VnIQh2vIksLC6ZX+24O2DHNoCN+jx+ORALJsjJLiOEalqFjjNfCj0fR2T45/jH3wFK hQZatvXsZ+POhrb3fsV5A9DoQTk6L0JlHGVhoxRHcjngFwuV91TjGMgKU2GUATJhUT/C O9aw== X-Gm-Message-State: AFqh2krmz1Ps4W1UzCWQiAqJTqV2qF9EOZWRkcHvAnOJHd5kLIzqPwEi wGFsLfC4Eg5CFBa0lTGxWW1QVA== X-Google-Smtp-Source: AMrXdXuCj84I+jhx/wOedwvaeYXtbs0dOplLvj21ewxSfXqBwZfxqQmziQeUa4iUXnqxygc9yO9fOQ== X-Received: by 2002:a05:6a20:b285:b0:af:ec0f:f6b5 with SMTP id ei5-20020a056a20b28500b000afec0ff6b5mr72803915pzb.11.1673402766884; Tue, 10 Jan 2023 18:06:06 -0800 (PST) Received: from pmalani.c.googlers.com.com (33.5.83.34.bc.googleusercontent.com. [34.83.5.33]) by smtp.gmail.com with ESMTPSA id z6-20020a656646000000b00477a442d450sm7336738pgv.16.2023.01.10.18.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jan 2023 18:06:06 -0800 (PST) From: Prashant Malani To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: bleung@chromium.org, Prashant Malani , Heikki Krogerus , Greg Kroah-Hartman , Guillaume Ranquet , Macpaul Lin , Pablo Sun Subject: [PATCH 3/3] usb: typec: altmodes/displayport: Use proper macro for pin assignment check Date: Wed, 11 Jan 2023 02:05:43 +0000 Message-Id: <20230111020546.3384569-3-pmalani@chromium.org> X-Mailer: git-send-email 2.39.0.314.g84b9a713c41-goog In-Reply-To: <20230111020546.3384569-1-pmalani@chromium.org> References: <20230111020546.3384569-1-pmalani@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org While looking at the DP configuration VDO to determine the peripheral configuration, the spec (Table 8-5: DisplayPort Configurations, VESA DisplayPort Alt Mode Standard v2.0) lists the options as "UFP_U as a DP Source/Sink Device". So, use the correct macro while performing this check. Effectively it's the same as the existing code, but the proposed macro describes the state a little better. No functional changes introduced. Cc: Heikki Krogerus Signed-off-by: Prashant Malani Reviewed-by: Heikki Krogerus --- drivers/usb/typec/altmodes/displayport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index c0d65c93cefe..746bfbf3d557 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -426,7 +426,7 @@ static const char * const pin_assignments[] = { */ static u8 get_current_pin_assignments(struct dp_altmode *dp) { - if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D) + if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_UFP_U_AS_DFP_D) return DP_CAP_PIN_ASSIGN_DFP_D(dp->alt->vdo); else return DP_CAP_PIN_ASSIGN_UFP_D(dp->alt->vdo);