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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 62244C10F11 for ; Wed, 24 Apr 2019 18:24:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 33E2120835 for ; Wed, 24 Apr 2019 18:24:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130246; bh=QDIMaILAQNUni/Q3ucBHjT/0GlHlrtqYFFv8ZVrR8zw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LtoASvqz7AN/ki0xFmuX8iwOGO4rk6FKB7y/oHRDgu+EA4JC2T+FFzKLm/v4pHgB4 TRK6yCEP7FNjse6ZE4bR5oSfHwi3CLS9KxdI9DdxQXlQ+uXKr14GeMR0r57FHnzzeS jydh+B4AnpNizgy1ymaVoxOn9/aGqda45lPmK4TQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733138AbfDXSYE (ORCPT ); Wed, 24 Apr 2019 14:24:04 -0400 Received: from mail.kernel.org ([198.145.29.99]:36314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733289AbfDXSYD (ORCPT ); Wed, 24 Apr 2019 14:24:03 -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 BC45E20685; Wed, 24 Apr 2019 18:24:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130243; bh=QDIMaILAQNUni/Q3ucBHjT/0GlHlrtqYFFv8ZVrR8zw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZrBX6eBXwsf2rsjHWWCVosNrergNAau33C+oiBqJzS1X0FZVcbye1xHLP4UbotIcT NZzo8N+fE5nWgZDiYqdD+7K/ZpsfsHb3YZlzMwU1mVAjbhmT91kCIMZgA4irD80NfB gts95amrijJ+1eDH2DMzjkK4G3Wne5RAiF+JYlHk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "he, bo" , "Chen, Hu" , Hans de Goede , Stable@vger.kernel.org, Jonathan Cameron Subject: [PATCH 4.19 46/96] io: accel: kxcjk1013: restore the range after resume. Date: Wed, 24 Apr 2019 19:09:51 +0200 Message-Id: <20190424170922.970613983@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424170919.829037226@linuxfoundation.org> References: <20190424170919.829037226@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 From: he, bo commit fe2d3df639a7940a125a33d6460529b9689c5406 upstream. On some laptops, kxcjk1013 is powered off when system enters S3. We need restore the range regiter during resume. Otherwise, the sensor doesn't work properly after S3. Signed-off-by: he, bo Signed-off-by: Chen, Hu Reviewed-by: Hans de Goede Cc: Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- drivers/iio/accel/kxcjk-1013.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct devic mutex_lock(&data->mutex); ret = kxcjk1013_set_mode(data, OPERATION); + if (ret == 0) + ret = kxcjk1013_set_range(data, data->range); mutex_unlock(&data->mutex); return ret;