From patchwork Thu Aug 2 23:21:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhi, Yong" X-Patchwork-Id: 10554317 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EC29D139A for ; Thu, 2 Aug 2018 23:21:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D1C362BD1F for ; Thu, 2 Aug 2018 23:21:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C51E22BF98; Thu, 2 Aug 2018 23:21:57 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CC8DE2BD1F for ; Thu, 2 Aug 2018 23:21:56 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id AA38E2677D9; Fri, 3 Aug 2018 01:21:54 +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 13A9D2677DA; Fri, 3 Aug 2018 01:21:52 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by alsa0.perex.cz (Postfix) with ESMTP id 32E452677D8 for ; Fri, 3 Aug 2018 01:21:45 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Aug 2018 16:21:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,437,1526367600"; d="scan'208";a="251284070" Received: from mavilchi-mobl1.amr.corp.intel.com (HELO yzhi-desktop.amr.corp.intel.com) ([10.254.110.173]) by fmsmga006.fm.intel.com with ESMTP; 02 Aug 2018 16:21:42 -0700 From: Yong Zhi To: broonie@kernel.org, pierre-louis.bossart@linux.intel.com Date: Thu, 2 Aug 2018 18:21:31 -0500 Message-Id: <1533252091-31918-1-git-send-email-yong.zhi@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1533143039-5428-1-git-send-email-yong.zhi@intel.com> References: <1533143039-5428-1-git-send-email-yong.zhi@intel.com> Cc: alsa-devel@alsa-project.org, harshapriya.n@intel.com, vkoul@kernel.org, naveen.m@intel.com, jenny.tc@intel.com, Yong Zhi Subject: [alsa-devel] [PATCH v2] ASoC: Intel: bxt: Use refcap device for mono recording 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 The refcap capture device supports mono recording only, this patch adds the channel constraints. Signed-off-by: Yong Zhi Reviewed-by: Pierre-Louis Bossart --- Changes since v1: - Remove renaming of "Refcap". - Add Reviewed-by tag. sound/soc/intel/boards/bxt_da7219_max98357a.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c index be6e4b40bf03..6f052fc8d1e2 100644 --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c @@ -324,8 +324,22 @@ static const struct snd_pcm_hw_constraint_list constraints_16000 = { .list = rates_16000, }; +static const unsigned int ch_mono[] = { + 1, +}; + +static const struct snd_pcm_hw_constraint_list constraints_refcap = { + .count = ARRAY_SIZE(ch_mono), + .list = ch_mono, +}; + static int broxton_refcap_startup(struct snd_pcm_substream *substream) { + substream->runtime->hw.channels_max = 1; + snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_refcap); + return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_16000);