From patchwork Tue Dec 20 08:47:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AS50 KCHSU0 X-Patchwork-Id: 9481267 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 96B1E600CA for ; Tue, 20 Dec 2016 09:07:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A44C27CE7 for ; Tue, 20 Dec 2016 09:07:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6E25B2845D; Tue, 20 Dec 2016 09:07:26 +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 75FDD27CE7 for ; Tue, 20 Dec 2016 09:07:24 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id AE60B266E53; Tue, 20 Dec 2016 10:07:21 +0100 (CET) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 4EED72666DB; Tue, 20 Dec 2016 10:05:03 +0100 (CET) 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 BC0F6266E3D; Tue, 20 Dec 2016 09:48:28 +0100 (CET) Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by alsa0.perex.cz (Postfix) with ESMTP id EB892266B78 for ; Tue, 20 Dec 2016 09:48:24 +0100 (CET) Received: from nthcims03.nuvoton.com (nthcims03.nuvoton.com [10.1.8.100]) by maillog.nuvoton.com (Postfix) with ESMTP id 8ED291C80A24; Tue, 20 Dec 2016 16:48:23 +0800 (CST) Received: from localhost.localdomain (10.4.36.27) by nthcims03.nuvoton.com (10.1.8.100) with Microsoft SMTP Server id 8.3.327.1; Tue, 20 Dec 2016 16:48:23 +0800 From: John Hsu To: Date: Tue, 20 Dec 2016 16:47:07 +0800 Message-ID: <1482223627-23547-2-git-send-email-KCHSU0@nuvoton.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1482223627-23547-1-git-send-email-KCHSU0@nuvoton.com> References: <1482223627-23547-1-git-send-email-KCHSU0@nuvoton.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, anatol.pomozov@gmail.com, YHCHuang@nuvoton.com, WTLI@nuvoton.com, John Hsu , lgirdwood@gmail.com, benzh@chromium.org, CTLIN0@nuvoton.com, mhkuo@nuvoton.com, yong.zhi@intel.com Subject: [alsa-devel] [PATCH 2/2] ASoC: nau8825: provide clock divide for codec mater mode 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 Provide the LRC and BCLK divide. The clock divide needs configuration properly when codec in master mode. Signed-off-by: John Hsu --- sound/soc/codecs/nau8825.c | 26 ++++++++++++++++++++++++++ sound/soc/codecs/nau8825.h | 6 ++++++ 2 files changed, 32 insertions(+) diff --git a/sound/soc/codecs/nau8825.c b/sound/soc/codecs/nau8825.c index 9c98d35..3c7a801 100644 --- a/sound/soc/codecs/nau8825.c +++ b/sound/soc/codecs/nau8825.c @@ -1421,9 +1421,35 @@ static int nau8825_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) return 0; } +static int nau8825_set_clkdiv(struct snd_soc_dai *codec_dai, + int div_id, int div) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct nau8825 *nau8825 = snd_soc_codec_get_drvdata(codec); + + switch (div_id) { + case NAU8825_BCLKDIV: + regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_BLK_DIV_MASK, div); + break; + + case NAU8825_FSDIV: + regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, + NAU8825_I2S_LRC_DIV_MASK, + div << NAU8825_I2S_LRC_DIV_SFT); + break; + + default: + return -EINVAL; + } + + return 0; +} + static const struct snd_soc_dai_ops nau8825_dai_ops = { .hw_params = nau8825_hw_params, .set_fmt = nau8825_set_dai_fmt, + .set_clkdiv = nau8825_set_clkdiv, }; #define NAU8825_RATES SNDRV_PCM_RATE_8000_192000 diff --git a/sound/soc/codecs/nau8825.h b/sound/soc/codecs/nau8825.h index 4b390c4..58b8554 100644 --- a/sound/soc/codecs/nau8825.h +++ b/sound/soc/codecs/nau8825.h @@ -425,6 +425,12 @@ #define NAU8825_CHANRGE_PUMP_EN (1 << 5) +/* Programmable divide */ +enum { + NAU8825_BCLKDIV, + NAU8825_FSDIV, +}; + /* System Clock Source */ enum { NAU8825_CLK_DIS = 0,