From patchwork Wed Aug 9 01:56:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oder Chiou X-Patchwork-Id: 9889427 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 E867D60317 for ; Wed, 9 Aug 2017 01:56:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D921628981 for ; Wed, 9 Aug 2017 01:56:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CDC55289C0; Wed, 9 Aug 2017 01:56:39 +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=-1.9 required=2.0 tests=BAYES_00, 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 9E52628981 for ; Wed, 9 Aug 2017 01:56:38 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 47B092673CB; Wed, 9 Aug 2017 03:56:36 +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 34A682673CC; Wed, 9 Aug 2017 03:56:34 +0200 (CEST) Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by alsa0.perex.cz (Postfix) with ESMTP id C060C266AA9 for ; Wed, 9 Aug 2017 03:56:28 +0200 (CEST) Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.60 with qID v791uQhR023204, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtitexh01.realtek.com.tw [172.21.6.62]) by rtits2.realtek.com.tw (8.15.2/2.56/5.77) with ESMTP id v791uQhR023204; Wed, 9 Aug 2017 09:56:26 +0800 Received: from RTITCASV01.realtek.com.tw (172.21.6.18) by RTITEXH01.realtek.com.tw (172.21.6.62) with Microsoft SMTP Server (TLS) id 14.3.319.2; Wed, 9 Aug 2017 09:56:25 +0800 Received: from localhost.localdomain (172.21.85.85) by RTITCASV01.realtek.com.tw (172.21.6.18) with Microsoft SMTP Server id 14.3.294.0; Wed, 9 Aug 2017 09:56:25 +0800 From: Oder Chiou To: , Date: Wed, 9 Aug 2017 09:56:14 +0800 Message-ID: <1502243774-31177-1-git-send-email-oder_chiou@realtek.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [172.21.85.85] Cc: Oder Chiou , jack.yu@realtek.com, alsa-devel@alsa-project.org, hychao@google.com, harshapriya.n@intel.com, shumingf@realtek.com, bardliao@realtek.com, flove@realtek.com Subject: [alsa-devel] [PATCH] ASoC: rt5514: Eliminate the noise in the ASRC case 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: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In the ASRC case, there is the noise if the clock is asynchronous with the LRCK. The default settings will eliminate the noise. Signed-off-by: Oder Chiou --- sound/soc/codecs/rt5514.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index 21cbb56..0eabe56 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -64,6 +64,8 @@ static const struct reg_sequence rt5514_patch[] = { {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_ADCFED, 0x00000800}, {RT5514_ASRC_IN_CTRL1, 0x00000003}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000362}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000362}, }; static const struct reg_default rt5514_reg[] = { @@ -89,10 +91,10 @@ static const struct reg_default rt5514_reg[] = { {RT5514_DELAY_BUF_CTRL3, 0x00000000}, {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER0_CTRL3, 0x00000362}, + {RT5514_DOWNFILTER0_CTRL3, 0x10000362}, {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f}, - {RT5514_DOWNFILTER1_CTRL3, 0x00000362}, + {RT5514_DOWNFILTER1_CTRL3, 0x10000362}, {RT5514_ANA_CTRL_LDO10, 0x00028604}, {RT5514_ANA_CTRL_LDO18_16, 0x02000345}, {RT5514_ANA_CTRL_ADC12, 0x0000a2a8},