From patchwork Sun Jan 19 18:58:41 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: 3510311 Return-Path: X-Original-To: patchwork-linux-arm@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 4D9D0C02DC for ; Sun, 19 Jan 2014 19:36:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 85D022010E for ; Sun, 19 Jan 2014 19:36:08 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8EC87200E5 for ; Sun, 19 Jan 2014 19:36:07 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xeP-0001aG-7m; Sun, 19 Jan 2014 19:03:18 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xdW-0004CV-Uh; Sun, 19 Jan 2014 19:02:22 +0000 Received: from smtp2-g21.free.fr ([2a01:e0c:1:1599::11]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1W4xcp-00044A-1V for linux-arm-kernel@lists.infradead.org; Sun, 19 Jan 2014 19:01:40 +0000 Received: from armhf (unknown [IPv6:2a01:e35:2f5c:9de0:212:bfff:fe1e:9ce4]) by smtp2-g21.free.fr (Postfix) with ESMTP id EDE414B00D3; Sun, 19 Jan 2014 20:01:08 +0100 (CET) Date: Sun, 19 Jan 2014 19:58:41 +0100 From: Jean-Francois Moine To: dri-devel@lists.freedesktop.org Subject: [PATCH v3 12/24] drm/i2c: tda998x: check the CEC device creation Message-ID: <20140119195841.0be56799@armhf> In-Reply-To: References: X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140119_140139_817684_2845A363 X-CRM114-Status: GOOD ( 10.64 ) X-Spam-Score: -1.9 (-) Cc: Russell King - ARM Linux , Rob Clark , Dave Airlie , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 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 checks if the CEC device is well created at intialization time. Tested-by: Russell King Signed-off-by: Jean-Francois Moine --- drivers/gpu/drm/i2c/tda998x_drv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 1adc794..a3ebc08 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -1177,6 +1177,8 @@ tda998x_encoder_init(struct i2c_client *client, priv->current_page = 0xff; priv->hdmi = client; priv->cec = i2c_new_dummy(client->adapter, 0x34); + if (!priv->cec) + return -ENODEV; priv->dpms = DRM_MODE_DPMS_OFF; encoder_slave->slave_priv = priv;