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 30CAAC10F11 for ; Wed, 24 Apr 2019 18:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F053720835 for ; Wed, 24 Apr 2019 18:23:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556130213; bh=3xhszeeUVH2FrOVdIWT3dp2t54QPqaQWAtm9NgOKf6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ZQmt728ZQYWVhtOENQvxaZ8Al/lDtpIX9C5KpPhbLXs+J0Sp1ZWASE1r3DY3WcAgj aSovaElt1CVdT5XykytisxZUeemylIoop4mxeNE/qupvOQZIGQmnbwCZQB9ssuDBcz 3HvFhCWoIiGom7rr/7nv6g02zJiQmmUmNK76YowM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387442AbfDXSXc (ORCPT ); Wed, 24 Apr 2019 14:23:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:35664 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726473AbfDXSXa (ORCPT ); Wed, 24 Apr 2019 14:23:30 -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 0A00921901; 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=1556130209; bh=3xhszeeUVH2FrOVdIWT3dp2t54QPqaQWAtm9NgOKf6g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nXudGSxOjmYbQznCchSxjmFZZp57jzvfhcnj38IsuOqsbM6bE5NLCZbpeOGYPWGoW 5K1TmQuwhYhFkpYNfC1LYIw9DTSK2ApMgBEG7jIEPcbuYyUy1xQqkLN4PtBAGDZU/p gyfNQkb38BxMQrckwErDVb+7c26esRp4vQfXf0Og= 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 4.9 22/44] io: accel: kxcjk1013: restore the range after resume. Date: Wed, 24 Apr 2019 19:10:00 +0200 Message-Id: <20190424170855.914173835@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190424170839.924291114@linuxfoundation.org> References: <20190424170839.924291114@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;