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=unavailable 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 C31D1C282CE for ; Wed, 24 Apr 2019 18:23:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9488320835 for ; Wed, 24 Apr 2019 18:23:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130208; bh=UcAPqtDoMztmVnJQh0sMJrnhj9vOz3FCDRoxXrvset0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=eTOBDfwm7lhBox49gosoinabrjRbCG8ciCTbjYYzXg6JwYSNw8jsZMC4NebWTmScy gnZUeZI0L9ZBk/9zci4ObqTjlCevJ047u1TDJEFfqF0U7BvFLUVQPXJu6SRrlf8oz3 EB3SCgTWTMBAXZj+hLJea/kNxaHOhEnnd2Z83Rq0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733291AbfDXSX2 (ORCPT ); Wed, 24 Apr 2019 14:23:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:35570 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726473AbfDXSX1 (ORCPT ); Wed, 24 Apr 2019 14:23:27 -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 6B25520685; Wed, 24 Apr 2019 18:23:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130206; bh=UcAPqtDoMztmVnJQh0sMJrnhj9vOz3FCDRoxXrvset0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q66LecTt0KZssF4uzKfrk3fTAv0acseo4uvQcXhoDhRnXyoZ8vkd7sYzxI/G88XKm GYQV8EwCuzfz2JudyssgXOKEK70zBUCbDXEasWxIihzkHEke4W9n+nv2D+teAFgy3E FOjhCUq3v05dT029tfMend8x46SDb4fXNeCc6iNw= 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 4.4 152/168] io: accel: kxcjk1013: restore the range after resume. Date: Wed, 24 Apr 2019 19:09:56 +0200 Message-Id: <20190424170932.175234331@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 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 @@ -1343,6 +1343,8 @@ 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;