From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE4AAC04E53 for ; Wed, 15 May 2019 12:09:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F38A2089E for ; Wed, 15 May 2019 12:09:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557922163; bh=lE20jdYG3yjU+ZsTMNEbAzSia0Kdo16515jEQPwHTBM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iRYIpDCI3SXUvqCS6yURn5vBgn3Ntxh7SIWbhEjYOYdVnryzISrLfdg9u3ubNkZ/A ukjWqCATnGksc5Vqd8rA7qhS6xsFzhM7dukfYP4GdBfMENBD/xjOdIRpaHI9Y/YFJ3 B5oaG9YSW8OIAOAwUPVQ130Wp5hlEuQb6+WNmL/A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729021AbfEOMJW (ORCPT ); Wed, 15 May 2019 08:09:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:40020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729019AbfEOLH5 (ORCPT ); Wed, 15 May 2019 07:07:57 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3C20020862; Wed, 15 May 2019 11:07:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557918476; bh=lE20jdYG3yjU+ZsTMNEbAzSia0Kdo16515jEQPwHTBM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=drZeLwTe+bV+n0CwFowhQW32WisMfM7A+iXLxR6sAPPxHSBlkOk2vr5OkOSVqxely HFSvNPOIotefbT8JX/y3Kzn7RACeTmEfpN3LaX7lC4yStXkV8g9V1lQjCnOmJdlllS e1R7ul0s9WLLvgNKCZ5XodSirgnV7MWtqXOPm/HA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Mack , Mark Brown , Sasha Levin Subject: [PATCH 4.4 145/266] ASoC: cs4270: Set auto-increment bit for register writes Date: Wed, 15 May 2019 12:54:12 +0200 Message-Id: <20190515090727.806775251@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190515090722.696531131@linuxfoundation.org> References: <20190515090722.696531131@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit f0f2338a9cfaf71db895fa989ea7234e8a9b471d ] The CS4270 does not by default increment the register address on consecutive writes. During normal operation it doesn't matter as all register accesses are done individually. At resume time after suspend, however, the regcache code gathers the biggest possible block of registers to sync and sends them one on one go. To fix this, set the INCR bit in all cases. Signed-off-by: Daniel Mack Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/codecs/cs4270.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 3670086b9227c..f273533c66535 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -641,6 +641,7 @@ static const struct regmap_config cs4270_regmap = { .reg_defaults = cs4270_reg_defaults, .num_reg_defaults = ARRAY_SIZE(cs4270_reg_defaults), .cache_type = REGCACHE_RBTREE, + .write_flag_mask = CS4270_I2C_INCR, .readable_reg = cs4270_reg_is_readable, .volatile_reg = cs4270_reg_is_volatile, -- 2.20.1