From patchwork Thu Jun 4 13:04:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 6546911 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 99C739F3D1 for ; Thu, 4 Jun 2015 13:05:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CE8E7207E4 for ; Thu, 4 Jun 2015 13:05:37 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id CE23A207FD for ; Thu, 4 Jun 2015 13:05:36 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id D178C2665CA; Thu, 4 Jun 2015 15:05:35 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NO_DNS_FOR_FROM, UNPARSEABLE_RELAY autolearn=no version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 2842326649A; Thu, 4 Jun 2015 15:04:52 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id F0CAC26649A; Thu, 4 Jun 2015 15:04:50 +0200 (CEST) Received: from bear.ext.ti.com (bear.ext.ti.com [192.94.94.41]) by alsa0.perex.cz (Postfix) with ESMTP id 862E3260661 for ; Thu, 4 Jun 2015 15:04:43 +0200 (CEST) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id t54D4fBX015251; Thu, 4 Jun 2015 08:04:41 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id t54D4edS006923; Thu, 4 Jun 2015 08:04:40 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.3.224.2; Thu, 4 Jun 2015 08:04:40 -0500 Received: from dlep33.itg.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id t54D4aQ0020795; Thu, 4 Jun 2015 08:04:39 -0500 From: Peter Ujfalusi To: Mark Brown , Liam Girdwood , Date: Thu, 4 Jun 2015 16:04:13 +0300 Message-ID: <1433423075-14142-2-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.4.2 In-Reply-To: <1433423075-14142-1-git-send-email-peter.ujfalusi@ti.com> References: <1433423075-14142-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org Subject: [alsa-devel] [PATCH v2 01/23] ASoC: tas2552: Make the enable-gpio really optional X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Do not fail the probe if the enable-gpio is not specifiedbut handle deferred probe case. Signed-off-by: Peter Ujfalusi --- sound/soc/codecs/tas2552.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index dfb4ff5cc9ea..ff82f46ba504 100644 --- a/sound/soc/codecs/tas2552.c +++ b/sound/soc/codecs/tas2552.c @@ -486,8 +486,12 @@ static int tas2552_probe(struct i2c_client *client, return -ENOMEM; data->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); - if (IS_ERR(data->enable_gpio)) - return PTR_ERR(data->enable_gpio); + if (IS_ERR(data->enable_gpio)) { + if (PTR_ERR(data->enable_gpio) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + data->enable_gpio = NULL;; + } data->tas2552_client = client; data->regmap = devm_regmap_init_i2c(client, &tas2552_regmap_config);