From patchwork Fri Apr 8 11:29:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 558867 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 67A67C433F5 for ; Fri, 8 Apr 2022 11:35:07 +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 A230C1A4C; Fri, 8 Apr 2022 13:34:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A230C1A4C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1649417705; bh=XPI52egTqfb9mQKIoH/CG9CCRHL9wF2xtY0UcraIXic=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=smgFS+zVKWG0qg7gytnFkxenfYKBv8V/fh/lNI+tMYvooZUocfDS30AIYhk9ikIrL /u+V0tN0Uvlh8l5gZbeg2/Yvf3aVi4MMOWyLXa9sHYZB4be1/HP9HpH9O5aQ18FtAx u9PVnrpwEqrOptZKqfG6Kss7NMkHZ0Zb6MxQxKTk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E3AD5F80527; Fri, 8 Apr 2022 13:30:15 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 229B2F80520; Fri, 8 Apr 2022 13:30:07 +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 E119AF80520 for ; Fri, 8 Apr 2022 13:29:42 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E119AF80520 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 1ncmo9-0004xO-Ml; Fri, 08 Apr 2022 13:29:41 +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 1ncmo8-001n6w-Re; Fri, 08 Apr 2022 13:29:39 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1ncmo2-005ZAi-Nl; Fri, 08 Apr 2022 13:29:34 +0200 From: Sascha Hauer To: alsa-devel@alsa-project.org Subject: [PATCH v5 01/21] ASoC: fsl_micfil: Drop unnecessary register read Date: Fri, 8 Apr 2022 13:29:08 +0200 Message-Id: <20220408112928.1326755-2-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220408112928.1326755-1-s.hauer@pengutronix.de> References: <20220408112928.1326755-1-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" in get_pdm_clk() REG_MICFIL_CTRL2 is read twice. Drop second read. Signed-off-by: Sascha Hauer Acked-by: Shengjiu Wang --- sound/soc/fsl/fsl_micfil.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c index 9f90989ac59a6..64019d003784b 100644 --- a/sound/soc/fsl/fsl_micfil.c +++ b/sound/soc/fsl/fsl_micfil.c @@ -118,8 +118,6 @@ static inline int get_pdm_clk(struct fsl_micfil *micfil, regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg); osr = 16 - ((ctrl2_reg & MICFIL_CTRL2_CICOSR_MASK) >> MICFIL_CTRL2_CICOSR_SHIFT); - - regmap_read(micfil->regmap, REG_MICFIL_CTRL2, &ctrl2_reg); qsel = ctrl2_reg & MICFIL_CTRL2_QSEL_MASK; switch (qsel) {