From patchwork Tue Jul 21 19:53:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars-Peter Clausen X-Patchwork-Id: 6837921 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 BD1289F380 for ; Tue, 21 Jul 2015 19:56:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EDD1F206E9 for ; Tue, 21 Jul 2015 19:56:05 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id B7648206CE for ; Tue, 21 Jul 2015 19:56:04 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id ECB70265473; Tue, 21 Jul 2015 21:56:03 +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, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id C671D2651A5; Tue, 21 Jul 2015 21:53:33 +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 37727265148; Tue, 21 Jul 2015 21:53:29 +0200 (CEST) Received: from smtp-out-102.synserver.de (smtp-out-102.synserver.de [212.40.185.102]) by alsa0.perex.cz (Postfix) with ESMTP id 639F926512F for ; Tue, 21 Jul 2015 21:53:25 +0200 (CEST) Received: (qmail 15289 invoked by uid 0); 21 Jul 2015 19:53:25 -0000 X-SynServer-TrustedSrc: 1 X-SynServer-AuthUser: lars@metafoo.de X-SynServer-PPID: 14933 Received: from ppp-188-174-127-204.dynamic.mnet-online.de (HELO lars-laptop.fritz.box) [188.174.127.204] by 217.119.54.81 with SMTP; 21 Jul 2015 19:53:24 -0000 From: Lars-Peter Clausen To: Takashi Iwai , Mark Brown , Liam Girdwood Date: Tue, 21 Jul 2015 21:53:04 +0200 Message-Id: <1437508386-13828-6-git-send-email-lars@metafoo.de> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1437508386-13828-1-git-send-email-lars@metafoo.de> References: <1437508386-13828-1-git-send-email-lars@metafoo.de> Cc: Manuel Lauss , Charles Keepax , patches@opensource.wolfsonmicro.com, alsa-devel@alsa-project.org, Lars-Peter Clausen Subject: [alsa-devel] [PATCH 5/7] ASoC: wm9705: Use core AC'97 reset helper 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Use the new snd_ac97_reset() helper and the reset functionality provided by snd_soc_new_ac97_codec() to perform the device reset rather than open-coding it. Signed-off-by: Lars-Peter Clausen Acked-by: Charles Keepax --- sound/soc/codecs/wm9705.c | 40 ++++++++-------------------------------- 1 file changed, 8 insertions(+), 32 deletions(-) diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index 5cc457e..744842c 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -22,6 +22,9 @@ #include "wm9705.h" +#define WM9705_VENDOR_ID 0x574d4c05 +#define WM9705_VENDOR_ID_MASK 0xffffffff + /* * WM9705 register cache */ @@ -293,21 +296,6 @@ static struct snd_soc_dai_driver wm9705_dai[] = { } }; -static int wm9705_reset(struct snd_soc_codec *codec) -{ - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); - - if (soc_ac97_ops->reset) { - soc_ac97_ops->reset(ac97); - if (ac97_read(codec, 0) == wm9705_reg[0]) - return 0; /* Success */ - } - - dev_err(codec->dev, "Failed to reset: AC97 link error\n"); - - return -EIO; -} - #ifdef CONFIG_PM static int wm9705_soc_suspend(struct snd_soc_codec *codec) { @@ -324,7 +312,8 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec) int i, ret; u16 *cache = codec->reg_cache; - ret = wm9705_reset(codec); + ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); if (ret < 0) return ret; @@ -342,30 +331,17 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec) static int wm9705_soc_probe(struct snd_soc_codec *codec) { struct snd_ac97 *ac97; - int ret = 0; - ac97 = snd_soc_alloc_ac97_codec(codec); + ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); if (IS_ERR(ac97)) { - ret = PTR_ERR(ac97); dev_err(codec->dev, "Failed to register AC97 codec\n"); - return ret; + return PTR_ERR(ac97); } - ret = wm9705_reset(codec); - if (ret) - goto err_put_device; - - ret = device_add(&ac97->dev); - if (ret) - goto err_put_device; - snd_soc_codec_set_drvdata(codec, ac97); return 0; - -err_put_device: - put_device(&ac97->dev); - return ret; } static int wm9705_soc_remove(struct snd_soc_codec *codec)