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,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 1EB18C10F11 for ; Wed, 24 Apr 2019 18:23:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E43BE20685 for ; Wed, 24 Apr 2019 18:23:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130222; bh=3xhszeeUVH2FrOVdIWT3dp2t54QPqaQWAtm9NgOKf6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KRHmeRQaTYkrVVKONB1TJdzfZhkP1htKZJkzXnIWQQsEXGTXso6U4wYfx53h84xKN YQSQqzSXehduLvflCRWQk4hujXwVWGZPCq585c2KahjCAgUZ1haHS7lSET7wjBMTHy mEJqhQFo25wHRliuMZbrTqsX8vDnsfUusQZMqTNE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387564AbfDXSXk (ORCPT ); Wed, 24 Apr 2019 14:23:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:35824 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726473AbfDXSXh (ORCPT ); Wed, 24 Apr 2019 14:23:37 -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 004662084F; Wed, 24 Apr 2019 18:23:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130217; bh=3xhszeeUVH2FrOVdIWT3dp2t54QPqaQWAtm9NgOKf6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RxyUOlN+T+RSyAQvWFwppwrWmYJsN0nvq5rBrlba/qM/0dr8lksZ/EdttCRp5sJ2v ehfheU6HKQclRx59l4fK+CCWMgK4Tr+N8rpWyBdn5YhajvTv0xNlT/OEDLGucDtKel e2gDMqe8pUlKR4had4Ii3kIwN13V6UmXw/f07JYE= 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 4.14 26/70] io: accel: kxcjk1013: restore the range after resume. Date: Wed, 24 Apr 2019 19:09:46 +0200 Message-Id: <20190424170910.823733351@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424170906.751869122@linuxfoundation.org> References: <20190424170906.751869122@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 @@ -1340,6 +1340,8 @@ 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;