From patchwork Thu Jan 9 11:04:28 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Francois Moine X-Patchwork-Id: 3458691 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 55D00C02DC for ; Thu, 9 Jan 2014 11:11:24 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 55B5120108 for ; Thu, 9 Jan 2014 11:11:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 5CC2D2010E for ; Thu, 9 Jan 2014 11:11:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 869AAFBD2D; Thu, 9 Jan 2014 03:11:20 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp1-g21.free.fr (smtp1-g21.free.fr [212.27.42.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BB7D1FBD27 for ; Thu, 9 Jan 2014 03:11:15 -0800 (PST) Received: from armhf (unknown [IPv6:2a01:e35:2f5c:9de0:212:bfff:fe1e:9ce4]) by smtp1-g21.free.fr (Postfix) with ESMTP id B980A94007C; Thu, 9 Jan 2014 12:11:04 +0100 (CET) Date: Thu, 9 Jan 2014 12:04:28 +0100 From: Jean-Francois Moine To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 14/28] drm/i2c: tda998x: get a better status of the connexion Message-ID: <20140109120428.1ea7ec3a@armhf> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch refines the connexion status testing both bits RXSENS and HPD of the CEC register giving the connexion level. Signed-off-by: Jean-Francois Moine --- drivers/gpu/drm/i2c/tda998x_drv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 2187d63..0cae820 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1009,7 +1009,9 @@ tda998x_encoder_detect(struct drm_encoder *encoder, struct tda998x_priv *priv = to_tda998x_priv(encoder); uint8_t val = cec_read(priv, REG_CEC_RXSHPDLEV); - return (val & CEC_RXSHPDLEV_HPD) ? connector_status_connected : + return (val & (CEC_RXSHPDLEV_RXSENS | CEC_RXSHPDLEV_HPD)) == + (CEC_RXSHPDLEV_RXSENS | CEC_RXSHPDLEV_HPD) ? + connector_status_connected : connector_status_disconnected; }