From patchwork Mon Apr 28 12:17:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roese X-Patchwork-Id: 4077091 Return-Path: X-Original-To: patchwork-linux-omap@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 2E7AABFF02 for ; Mon, 28 Apr 2014 12:24:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 72CD020304 for ; Mon, 28 Apr 2014 12:23:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73A69202E5 for ; Mon, 28 Apr 2014 12:23:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755467AbaD1MXx (ORCPT ); Mon, 28 Apr 2014 08:23:53 -0400 Received: from mo4-p05-ob.smtp.rzone.de ([81.169.146.183]:59617 "EHLO mo4-p05-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751874AbaD1MXx (ORCPT ); Mon, 28 Apr 2014 08:23:53 -0400 X-Greylist: delayed 362 seconds by postgrey-1.27 at vger.kernel.org; Mon, 28 Apr 2014 08:23:52 EDT X-RZG-AUTH: :IW0NeWC7b/q2i6W/qstXb1SBUuFnrGohfvxEndrDXKjzPMsB3oimjD61I4fPQhgcxGt3 X-RZG-CLASS-ID: mo05 Received: from stefan-work.domain_not_set.invalid (b9168f24.cgn.dg-w.de [185.22.143.36]) by post.strato.de (RZmta 32.39 AUTH) with ESMTPA id 6020b3q3SCHiO3G; Mon, 28 Apr 2014 14:17:44 +0200 (CEST) From: Stefan Roese To: alsa-devel@alsa-project.org, linux-omap@vger.kernel.org Cc: broonie@kernel.org, Jarkko Nikula Subject: [PATCH 1/5] ASoC: Add support for machine specific trigger callback Date: Mon, 28 Apr 2014 14:17:52 +0200 Message-Id: <1398687476-10829-1-git-send-email-sr@denx.de> X-Mailer: git-send-email 1.9.2 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 From: Jarkko Nikula Machine specific trigger callback allows to do final stream start/stop related operations in a machine driver after setting up the codec, DMA and DAI. One example could be clock management for linked streams case where machine driver can start/stop synchronously the linked streams. Signed-off-by: Jarkko Nikula Signed-off-by: Stefan Roese --- sound/soc/soc-pcm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 2cedf09..a3a7021 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -819,6 +819,13 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) if (ret < 0) return ret; } + + if (rtd->dai_link->ops && rtd->dai_link->ops->trigger) { + ret = rtd->dai_link->ops->trigger(substream, cmd); + if (ret < 0) + return ret; + } + return 0; }