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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,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 77DC3C43462 for ; Thu, 15 Apr 2021 14:48:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C2A26113B for ; Thu, 15 Apr 2021 14:48:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233550AbhDOOtG (ORCPT ); Thu, 15 Apr 2021 10:49:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:36116 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232767AbhDOOtE (ORCPT ); Thu, 15 Apr 2021 10:49:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 88EEE6137D; Thu, 15 Apr 2021 14:48:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618498121; bh=Cl7ZrAP3yiXg+iRi11uR14V76FtA/bB7uBrf4q6kP/c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QDAnYIoOOlCFptFmDNiEgIy4LqXKxiE5Vr49do0K6jDM0vrWwvBglB5JSNfQH2WYp eoy6/YJNWqFIQDUL6kVqbOjR0L0pmhVOegi/uelSMUc8gbeuWiNK12r0wRRdd9mSrV D7p+wY4ESyXgREx1+4vC0XFpYe2/JSIY8UFBb/YY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ye Xiang , Stable@vger.kernel.org, Jonathan Cameron , Sudip Mukherjee Subject: [PATCH 4.4 01/38] iio: hid-sensor-prox: Fix scale not correct issue Date: Thu, 15 Apr 2021 16:46:55 +0200 Message-Id: <20210415144413.407579678@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210415144413.352638802@linuxfoundation.org> References: <20210415144413.352638802@linuxfoundation.org> User-Agent: quilt/0.66 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ye Xiang commit d68c592e02f6f49a88e705f13dfc1883432cf300 upstream Currently, the proxy sensor scale is zero because it just return the exponent directly. To fix this issue, this patch use hid_sensor_format_scale to process the scale first then return the output. Fixes: 39a3a0138f61 ("iio: hid-sensors: Added Proximity Sensor Driver") Signed-off-by: Ye Xiang Link: https://lore.kernel.org/r/20210130102530.31064-1-xiang.ye@intel.com Cc: Signed-off-by: Jonathan Cameron [sudip: adjust context] Signed-off-by: Sudip Mukherjee Signed-off-by: Greg Kroah-Hartman --- drivers/iio/light/hid-sensor-prox.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -37,6 +37,9 @@ struct prox_state { struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info prox_attr; u32 human_presence; + int scale_pre_decml; + int scale_post_decml; + int scale_precision; }; /* Channel definitions */ @@ -105,8 +108,9 @@ static int prox_read_raw(struct iio_dev ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SCALE: - *val = prox_state->prox_attr.units; - ret_type = IIO_VAL_INT; + *val = prox_state->scale_pre_decml; + *val2 = prox_state->scale_post_decml; + ret_type = prox_state->scale_precision; break; case IIO_CHAN_INFO_OFFSET: *val = hid_sensor_convert_exponent( @@ -240,6 +244,12 @@ static int prox_parse_report(struct plat st->common_attributes.sensitivity.index, st->common_attributes.sensitivity.report_id); } + + st->scale_precision = hid_sensor_format_scale( + hsdev->usage, + &st->prox_attr, + &st->scale_pre_decml, &st->scale_post_decml); + return ret; }