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: 12806507 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E4F6C4167B for ; Fri, 8 Apr 2022 11:29:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234463AbiDHLb7 (ORCPT ); Fri, 8 Apr 2022 07:31:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234827AbiDHLbw (ORCPT ); Fri, 8 Apr 2022 07:31:52 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B129A17C40F for ; Fri, 8 Apr 2022 04:29:47 -0700 (PDT) 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 Cc: Xiubo Li , Fabio Estevam , Shengjiu Wang , kernel@pengutronix.de, Vinod Koul , NXP Linux Team , dmaengine@vger.kernel.org, Sascha Hauer 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: dmaengine@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org 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) {