From patchwork Mon Mar 28 11:27:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 12793420 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5D96DC433F5 for ; Mon, 28 Mar 2022 11:31:17 +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 9CCDF17CC; Mon, 28 Mar 2022 13:30:25 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 9CCDF17CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1648467075; bh=54/ueIQm/5LhVgvyxBqsUeT1EROkzwm6YHuFqzHVq6g=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=IPvLpTA4tel+ZBdh0+WEjbtSVEDfVbi8EzMaRH4cM/w0R+gFOM9OuVyZpTs+5m7DF D9paz5q4wu4MWShYPciWcOng45MCLgMLeFOqcK6bAHPO9QJDschQgbE16ffcv2CnNJ Hu8JrF9/8qfk7kc6HlUb1z3+7WQAtHn0a3gMUiaY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 88CD3F80519; Mon, 28 Mar 2022 13:28:42 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id CB642F8026A; Mon, 28 Mar 2022 13:28:28 +0200 (CEST) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) (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 240B9F804CF for ; Mon, 28 Mar 2022 13:28:16 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 240B9F804CF Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nYnXi-0003St-U6; Mon, 28 Mar 2022 13:28:14 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nYnXe-003Zlf-Sj; Mon, 28 Mar 2022 13:28:13 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nYnXd-006byo-Jv; Mon, 28 Mar 2022 13:28:09 +0200 From: Sascha Hauer To: alsa-devel@alsa-project.org Subject: [PATCH v2 12/19] ASoC: fsl_micfil: use define for OSR default value Date: Mon, 28 Mar 2022 13:27:37 +0200 Message-Id: <20220328112744.1575631-13-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220328112744.1575631-1-s.hauer@pengutronix.de> References: <20220328112744.1575631-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: alsa-devel@alsa-project.org Cc: Xiubo Li , Fabio Estevam , Sascha Hauer , Vinod Koul , NXP Linux Team , kernel@pengutronix.de, dmaengine@vger.kernel.org, Shengjiu Wang 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" The OSR (OverSampling Rate) setting is set once to the default value and never changed throughout the driver. Nevertheless the value is read back from the register for further calculations. Just use the default value because we know what we have written. Signed-off-by: Sascha Hauer --- sound/soc/fsl/fsl_micfil.c | 10 ++++++---- sound/soc/fsl/fsl_micfil.h | 1 - 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index fe3e1319b35fd..4b4b7fbbf5c4f 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -29,6 +29,8 @@ #define FSL_MICFIL_RATES SNDRV_PCM_RATE_8000_48000 #define FSL_MICFIL_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) +#define MICFIL_OSR_DEFAULT 16 + struct fsl_micfil { struct platform_device *pdev; struct regmap *regmap; @@ -41,6 +43,7 @@ struct fsl_micfil { char name[32]; int irq[MICFIL_IRQ_LINES]; int quality; /*QUALITY 2-0 bits */ + unsigned int osr; }; struct fsl_micfil_soc_data { @@ -112,11 +115,11 @@ static inline int get_pdm_clk(struct fsl_micfil *micfil, unsigned int rate) { u32 ctrl2_reg; - int qsel, osr; + int qsel; int bclk; + int osr = MICFIL_OSR_DEFAULT; regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg); - osr = 16 - FIELD_GET(MICFIL_CTRL2_CICOSR, ctrl2_reg); qsel = FIELD_GET(MICFIL_CTRL2_QSEL, ctrl2_reg); switch (qsel) { @@ -282,7 +285,7 @@ static int fsl_set_clock_params(struct device *dev, unsigned int rate) /* set CICOSR */ ret = regmap_update_bits(micfil->regmap, REG_MICFIL_CTRL2, MICFIL_CTRL2_CICOSR, - FIELD_PREP(MICFIL_CTRL2_CICOSR, MICFIL_CTRL2_CICOSR_DEFAULT)); + FIELD_PREP(MICFIL_CTRL2_CICOSR, 16 - MICFIL_OSR_DEFAULT)); if (ret) return ret; @@ -673,7 +676,6 @@ static int fsl_micfil_probe(struct platform_device *pdev) micfil->dma_params_rx.addr = res->start + REG_MICFIL_DATACH0; micfil->dma_params_rx.maxburst = MICFIL_DMA_MAXBURST_RX; - platform_set_drvdata(pdev, micfil); pm_runtime_enable(&pdev->dev); diff --git a/sound/soc/fsl/fsl_micfil.h b/sound/soc/fsl/fsl_micfil.h index 5cecae2519795..08901827047db 100644 --- a/sound/soc/fsl/fsl_micfil.h +++ b/sound/soc/fsl/fsl_micfil.h @@ -58,7 +58,6 @@ #define MICFIL_QSEL_VLOW2_QUALITY 4 #define MICFIL_CTRL2_CICOSR GENMASK(19, 16) -#define MICFIL_CTRL2_CICOSR_DEFAULT 0 #define MICFIL_CTRL2_CLKDIV GENMASK(7, 0) /* MICFIL Status Register -- REG_MICFIL_STAT 0x08 */