From patchwork Thu Apr 14 16:22:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 562624 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 D449DC433F5 for ; Thu, 14 Apr 2022 16:27:59 +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 0B5351866; Thu, 14 Apr 2022 18:27:08 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 0B5351866 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1649953678; 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=RRud1thzBolcFj6G2Y2A5ONoWG5nJOtrgll0GkklwfNqR70RP3DIOfEFv2+kIJqpv wSuiCIhE01fe0xEc9V4LpnpwpODkc7E69tOuR41KfqkVY3Hfxerd/PAJQuAyypqpSd cF+xH+dFgL0e8aMq1Fuzp+OO0lmtAjHyKk5TRZLU= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 16C61F805A0; Thu, 14 Apr 2022 18:23:31 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 4C79CF80553; Thu, 14 Apr 2022 18:23:21 +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 5BED5F80516 for ; Thu, 14 Apr 2022 18:22:58 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 5BED5F80516 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 1nf2FD-0007Qu-VE; Thu, 14 Apr 2022 18:22:56 +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 1nf2FD-003131-QX; Thu, 14 Apr 2022 18:22:54 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nf2F8-00Gu5I-W3; Thu, 14 Apr 2022 18:22:50 +0200 From: Sascha Hauer To: alsa-devel@alsa-project.org Subject: [PATCH v6 01/21] ASoC: fsl_micfil: Drop unnecessary register read Date: Thu, 14 Apr 2022 18:22:29 +0200 Message-Id: <20220414162249.3934543-2-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220414162249.3934543-1-s.hauer@pengutronix.de> References: <20220414162249.3934543-1-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 , Mark Brown , 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) {