From patchwork Mon May 6 12:44:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivier MOYSAN X-Patchwork-Id: 10930995 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 AD626933 for ; Mon, 6 May 2019 12:45:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 992B32848B for ; Mon, 6 May 2019 12:45:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8A7622859E; Mon, 6 May 2019 12:45:59 +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,DKIM_SIGNED, DKIM_VALID,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]) (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 C884E2848B for ; Mon, 6 May 2019 12:45:58 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 11FDB1874; Mon, 6 May 2019 14:45:07 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 11FDB1874 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1557146757; bh=DiGbYuxVNlq6spJKXZBNOLOp6wmoMGi0gA1Zxk24QCE=; h=From:To:Date:In-Reply-To:References:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=hvzlM4DLuQYnTguLqSBIP1om/tdnYVxTbDkm59cmZxM9cP3Ueqk7Ml4pGhhG2usU+ slQt4T3YsnbVCtktwnIscptdzRkQRS/NcKgu5vE7tsTcKobPwQSXeqlQKwS3Ti9e+2 c5msa62+gzaO6GvQdU/SHMBO0Ahik9bheZgF8yN0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id BA03EF8972A; Mon, 6 May 2019 14:44:19 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id E1D66F896FF; Mon, 6 May 2019 14:44:16 +0200 (CEST) Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 16CF0F896F0 for ; Mon, 6 May 2019 14:44:13 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 16CF0F896F0 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="pjrJrSZz" Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x46CaDeE002530; Mon, 6 May 2019 14:44:13 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=eY0+5DYyMAqjb4Zccz3yB8/8lAlH/xHNJKu3nTKjXys=; b=pjrJrSZzywdlkGypwgTqgKHAqYlReBsynnO7GW5AnMK8onxlK8YjoWvcVJ84fv2OQrTz L1Um5HbKcgktE+wuAm1fbZkXgrVao4DL/LWf8BtWyMQaCOrS31WCZPdQV7EKgxqty0+r Wq5GzkV+b7YE+a6n7kzwjPwrfmZEOauza6uuHyh2cH8tuNPP9djkxN8iV0eubHoBw0L6 g5cQSg9ITcAfuMPaHoFMYMj1Kb7iYpoIUcHf71++lsnJT+u+nzK3HkFtQFt7vRl+OATa mG+Ldc7CzUWHyG7KgV2f+qL1EhhnNU09eiFNBQ9RvG7+OQWFuUhJ3Oo3Jf1xEWbHNMj/ zw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2s94cb9en8-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 06 May 2019 14:44:13 +0200 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 38EE33D; Mon, 6 May 2019 12:44:12 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D69A32586; Mon, 6 May 2019 12:44:11 +0000 (GMT) Received: from SAFEX1HUBCAS24.st.com (10.75.90.95) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 6 May 2019 14:44:11 +0200 Received: from localhost (10.201.23.16) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Mon, 6 May 2019 14:44:11 +0200 From: Olivier Moysan To: , , , , , , , , , , , Date: Mon, 6 May 2019 14:44:04 +0200 Message-ID: <1557146646-18150-2-git-send-email-olivier.moysan@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1557146646-18150-1-git-send-email-olivier.moysan@st.com> References: <1557146646-18150-1-git-send-email-olivier.moysan@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.16] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-05-06_08:, , signatures=0 Cc: benjamin.gaignard@st.com Subject: [alsa-devel] [PATCH 1/3] ASoC: stm32: spdifrx: update pcm hardware constraints X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" X-Virus-Scanned: ClamAV using ClamSMTP - Set period minimum size. Ensure at least 5ms period up to 48kHz/16 bits to prevent underrun/overrun. - Remove MDMA constraints on period maximum size and set period maximum to half the buffer maximum size. Signed-off-by: Olivier Moysan --- sound/soc/stm/stm32_spdifrx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sound/soc/stm/stm32_spdifrx.c b/sound/soc/stm/stm32_spdifrx.c index b4c3d983e195..aa83b50efabb 100644 --- a/sound/soc/stm/stm32_spdifrx.c +++ b/sound/soc/stm/stm32_spdifrx.c @@ -845,7 +845,8 @@ static struct snd_soc_dai_driver stm32_spdifrx_dai[] = { static const struct snd_pcm_hardware stm32_spdifrx_pcm_hw = { .info = SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP, .buffer_bytes_max = 8 * PAGE_SIZE, - .period_bytes_max = 2048, /* MDMA constraint */ + .period_bytes_min = 1024, + .period_bytes_max = 4 * PAGE_SIZE, .periods_min = 2, .periods_max = 8, };