From patchwork Wed Dec 14 15:16:44 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 9477137 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 3E8AE60825 for ; Fri, 16 Dec 2016 00:33:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3E65928888 for ; Fri, 16 Dec 2016 00:33:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 332AC288A3; Fri, 16 Dec 2016 00:33:10 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED 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 C61AE2889A for ; Fri, 16 Dec 2016 00:33:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B544B6EAB8; Fri, 16 Dec 2016 00:32:41 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [62.209.51.94]) by gabe.freedesktop.org (Postfix) with ESMTPS id B190E6E834 for ; Wed, 14 Dec 2016 15:17:33 +0000 (UTC) Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by m0046037.ppops.net (8.16.0.11/8.16.0.11) with SMTP id uBEFEWw9006313; Wed, 14 Dec 2016 16:17:22 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-.pphosted.com with ESMTP id 2788bwxbgj-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 14 Dec 2016 16:17:22 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4C5FB41; Wed, 14 Dec 2016 15:17:20 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas21.st.com [10.75.90.44]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id E159C2687; Wed, 14 Dec 2016 15:17:19 +0000 (GMT) Received: from localhost (10.201.23.162) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.294.0; Wed, 14 Dec 2016 16:17:19 +0100 From: Arnaud Pouliquen To: , Subject: [PATCH v2 3/4] ASoC: core: add optional pcm_new callback for DAI driver Date: Wed, 14 Dec 2016 16:16:44 +0100 Message-ID: <1481728605-22781-4-git-send-email-arnaud.pouliquen@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1481728605-22781-1-git-send-email-arnaud.pouliquen@st.com> References: <1481728605-22781-1-git-send-email-arnaud.pouliquen@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.162] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-12-14_10:, , signatures=0 X-Mailman-Approved-At: Fri, 16 Dec 2016 00:32:30 +0000 Cc: kernel@stlinux.com, lgirdwood@gmail.com, Jyri Sarha , Takashi Sakamoto , broonie@kernel.org, Daniel Vetter 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP During probe, DAIs can need to perform some actions that requests the knowledge of the pcm runtime handle. The callback is called during DAIs linking, after PCM device creation. For instance this can be used to add relation ship between a DAI pcm control and the pcm device. Signed-off-by: Arnaud Pouliquen --- include/sound/soc-dai.h | 3 +++ sound/soc/soc-core.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 964b7de..960990e 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -231,6 +231,9 @@ struct snd_soc_dai_driver { int (*resume)(struct snd_soc_dai *dai); /* compress dai */ int (*compress_new)(struct snd_soc_pcm_runtime *rtd, int num); + /* Optional Callback used at pcm creation*/ + int (*pcm_new)(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_dai *dai); /* DAI is also used for the control bus */ bool bus_control; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4afa8db..d3a6c22 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1552,6 +1552,27 @@ static int soc_probe_dai(struct snd_soc_dai *dai, int order) return 0; } +static int soc_link_dai_pcm_new(struct snd_soc_dai **dais, int num_dais, + struct snd_soc_pcm_runtime *rtd) +{ + int i, ret = 0; + + for (i = 0; i < num_dais; ++i) { + struct snd_soc_dai_driver *drv = dais[i]->driver; + + if (!rtd->dai_link->no_pcm && drv->pcm_new) + ret = drv->pcm_new(rtd, dais[i]); + if (ret < 0) { + dev_err(dais[i]->dev, + "ASoC: Failed to bind %s with pcm device\n", + dais[i]->name); + return ret; + } + } + + return 0; +} + static int soc_link_dai_widgets(struct snd_soc_card *card, struct snd_soc_dai_link *dai_link, struct snd_soc_pcm_runtime *rtd) @@ -1663,6 +1684,13 @@ static int soc_probe_link_dais(struct snd_soc_card *card, dai_link->stream_name, ret); return ret; } + ret = soc_link_dai_pcm_new(&cpu_dai, 1, rtd); + if (ret < 0) + return ret; + ret = soc_link_dai_pcm_new(rtd->codec_dais, + rtd->num_codecs, rtd); + if (ret < 0) + return ret; } else { INIT_DELAYED_WORK(&rtd->delayed_work, codec2codec_close_delayed_work);