From patchwork Thu May 25 15:06:21 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 9748477 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 2F9FE60388 for ; Thu, 25 May 2017 15:06:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 221D3281C3 for ; Thu, 25 May 2017 15:06:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 16DDE28401; Thu, 25 May 2017 15:06:48 +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=-3.7 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_SPAM autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D47BA283FD for ; Thu, 25 May 2017 15:06:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7F5756EA0A; Thu, 25 May 2017 15:06:43 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from lb3-smtp-cloud2.xs4all.net (lb3-smtp-cloud2.xs4all.net [194.109.24.29]) by gabe.freedesktop.org (Postfix) with ESMTPS id A56206EA07 for ; Thu, 25 May 2017 15:06:42 +0000 (UTC) Received: from tschai.lan ([46.9.235.119]) by smtp-cloud2.xs4all.net with ESMTP id Qf6b1v0042bEJta01f6g9p; Thu, 25 May 2017 17:06:40 +0200 Received: from tschai.fritz.box (localhost [127.0.0.1]) by tschai.lan (Postfix) with ESMTPSA id 54DBA1809E9; Thu, 25 May 2017 17:06:26 +0200 (CEST) From: Hans Verkuil To: linux-media@vger.kernel.org Subject: [RFC PATCH 2/7] cec-ioc-adap-g-caps.rst: document CEC_CAP_NEEDS_HPD Date: Thu, 25 May 2017 17:06:21 +0200 Message-Id: <20170525150626.29748-3-hverkuil@xs4all.nl> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170525150626.29748-1-hverkuil@xs4all.nl> References: <20170525150626.29748-1-hverkuil@xs4all.nl> Cc: Jani Nikula , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Hans Verkuil X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Hans Verkuil Document the new CEC_CAP_NEEDS_HPD capability. Signed-off-by: Hans Verkuil --- Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst index a0e961f11017..6d7bf7bef3eb 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst @@ -113,6 +113,14 @@ returns the information to the application. The ioctl never fails. - 0x00000020 - The CEC hardware can monitor all messages, not just directed and broadcast messages. + * .. _`CEC-CAP-NEEDS-HPD`: + + - ``CEC_CAP_NEEDS_HPD`` + - 0x00000040 + - The CEC hardware is only active if the HDMI Hotplug Detect pin is + high. This makes it impossible to use CEC to wake up displays that + set the HPD pin low when in standby mode, but keep the CEC bus + alive.