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 81D68C282CE for ; Wed, 24 Apr 2019 18:05:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BC9D20685 for ; Wed, 24 Apr 2019 18:05:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556129151; bh=0t5+vp7S1MARxAHWtW7C40IAv8Ii/ysFOhpRpv80IMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tfDTMrAvInhGnj3TtdoMcehiVmGbQibcztPqIXvW6r6O0zQFz3vP+d7w3kdGpeypx P8/9QEgswQzcB1r5qFpDrqivJqzsAFEMniT25AOObWuJX3FJZMcMBsGg7Y2lmVhms1 VDCkraU405vePF7TInN4xDIqJ1GWkqTOUTYILCSI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389315AbfDXSFu (ORCPT ); Wed, 24 Apr 2019 14:05:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:43410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388155AbfDXRSU (ORCPT ); Wed, 24 Apr 2019 13:18:20 -0400 Received: from localhost (62-193-50-229.as16211.net [62.193.50.229]) (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 6AB44218B0; Wed, 24 Apr 2019 17:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556126299; bh=0t5+vp7S1MARxAHWtW7C40IAv8Ii/ysFOhpRpv80IMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1B4f8I8SCPNPa6R4lO4Enb9tt9/ck9ZcqL/FnyUT2a/i5vLo2I5apmpS5DztR2miL YR3+ygKOncTIk24KJ/7pNTTMFl91rRjruEyLXIipv2RWNb6sWleXQSpuDrhQZnY45Q eZzM4WVKL97J7tzj47gesEbPVeL3lXUS5Bnqr8kk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Axel Lin , Mark Brown , Sasha Levin Subject: [PATCH 4.4 064/168] regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting Date: Wed, 24 Apr 2019 19:08:28 +0200 Message-Id: <20190424170927.562218104@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424170923.452349382@linuxfoundation.org> References: <20190424170923.452349382@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 f01a7beb6791f1c419424c1a6958b7d0a289c974 ] The act8600_sudcdc_voltage_ranges setting does not match the datasheet. The problems in below entry: REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000), 1. The off-by-one min_sel causes wrong volatage calculation. The min_sel should be 192. 2. According to the datasheet[1] Table 7. (on page 43): The selector 248 (0b11111000) ~ 255 (0b11111111) are 41.400V. Also fix off-by-one for ACT8600_SUDCDC_VOLTAGE_NUM. [1] https://active-semi.com/wp-content/uploads/ACT8600_Datasheet.pdf Fixes: df3a950e4e73 ("regulator: act8865: Add act8600 support") Signed-off-by: Axel Lin Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/regulator/act8865-regulator.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c index f8d4cd3d1397..63a00d1d9360 100644 --- a/drivers/regulator/act8865-regulator.c +++ b/drivers/regulator/act8865-regulator.c @@ -131,7 +131,7 @@ * ACT8865 voltage number */ #define ACT8865_VOLTAGE_NUM 64 -#define ACT8600_SUDCDC_VOLTAGE_NUM 255 +#define ACT8600_SUDCDC_VOLTAGE_NUM 256 struct act8865 { struct regmap *regmap; @@ -154,7 +154,8 @@ static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0), REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000), REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000), - REGULATOR_LINEAR_RANGE(19000000, 191, 255, 400000), + REGULATOR_LINEAR_RANGE(19000000, 192, 247, 400000), + REGULATOR_LINEAR_RANGE(41400000, 248, 255, 0), }; static struct regulator_ops act8865_ops = { -- 2.19.1