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=-8.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 13C4CC43613 for ; Fri, 21 Jun 2019 02:41:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDB142084A for ; Fri, 21 Jun 2019 02:41:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="PvugaoLW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726414AbfFUClZ (ORCPT ); Thu, 20 Jun 2019 22:41:25 -0400 Received: from mail-pl1-f196.google.com ([209.85.214.196]:40528 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726245AbfFUClY (ORCPT ); Thu, 20 Jun 2019 22:41:24 -0400 Received: by mail-pl1-f196.google.com with SMTP id a93so2231884pla.7 for ; Thu, 20 Jun 2019 19:41:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=E4U/TalAyus3IG6ROtWHCCgNAXb2Thd+9jHRPt+bTP8=; b=PvugaoLWn7IhNTr4FWIGwVx9bolz1tfh8Iq0wXs6/ntsU3H9HdO8oUv78CWoy8uYf9 FoE3mwoyTPZbdFjzziA4+OoruonJvN28eDONrWODD0kaReUslFYhE/cn9YkUKY/F53yf D/VMDF3Vrb9BQSqZBbR2asDMvQgQn0149VD7s= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=E4U/TalAyus3IG6ROtWHCCgNAXb2Thd+9jHRPt+bTP8=; b=PlAnPDPJF8xzUIJl1c5hEiC/7/ETttb5kryfUzfSS9PV9iOydMhel1F7/GivgmuvZZ soiH+QTCl2d2PY5d5BN6qPFpxxZQqD9lbTn11tD0ie6F4FHAf6sXf3+Nh/H+XmUvYIeK N+UHLi7QtKVtFH1QmTyOcKFUcPZQFCkhDpSSWxqK3YnqINNh8VZXAmUS383qZ9iUXkqj ExlajhvmsY0GZC9H/xpuanql4xzDGWzOUIoZ10BBkan5xx50sQq7tfl2rAB7YQEYlkZi 4Q2FF2lUvy0rmmN/gN2rnBqwvuCAPmYeG2D+SA8ryFewUbosIAEt8lQAW7Z+EmF3pUsn gMZw== X-Gm-Message-State: APjAAAXL+Gy+QG45Wur7LXKH8TfFhrKP1XfeNyDzsFyhFaHtw2N+lQNj zcBUtiwKwZYCo7m4g2JwyAB59A== X-Google-Smtp-Source: APXvYqxFcQ6ijcUQ4cX4euJ5Fg+S9ZOgH78P8RSwFk19ub8Wc0H1oCf7GFiXMcVU8DRQUEf+mb6BPQ== X-Received: by 2002:a17:902:ac85:: with SMTP id h5mr122110918plr.198.1561084883432; Thu, 20 Jun 2019 19:41:23 -0700 (PDT) Received: from localhost ([2620:15c:202:1:3c8f:512b:3522:dfaf]) by smtp.gmail.com with ESMTPSA id b37sm1081572pjc.15.2019.06.20.19.41.22 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Jun 2019 19:41:22 -0700 (PDT) From: Gwendal Grignou To: jic23@kernel.org, bleung@chromium.org, enric.balletbo@collabora.com, groeck@chromium.org, fabien.lahoudere@collabora.com Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Gwendal Grignou Subject: [PATCH v2 1/2] iio: cros_ec: Add sign vector in core for backward compatibility Date: Thu, 20 Jun 2019 19:41:05 -0700 Message-Id: <20190621024106.158589-2-gwendal@chromium.org> X-Mailer: git-send-email 2.22.0.410.gd8fdbe21b5-goog In-Reply-To: <20190621024106.158589-1-gwendal@chromium.org> References: <20190621024106.158589-1-gwendal@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To allow cros_ec iio core library to be used with legacy device, add a vector to rotate sensor data if necessary: legacy devices are not reporting data in HTML5/Android sensor referential. On veyron minnie, check chrome detect tablet mode and rotate screen in tablet mode. Signed-off-by: Gwendal Grignou --- drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c | 4 ++++ include/linux/iio/common/cros_ec_sensors_core.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index 719a0df5aeeb..e8a4d78659c8 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -66,6 +66,9 @@ int cros_ec_sensors_core_init(struct platform_device *pdev, } state->type = state->resp->info.type; state->loc = state->resp->info.location; + + /* Set sign vector, only used for backward compatibility. */ + memset(state->sign, 1, CROS_EC_SENSOR_MAX_AXIS); } return 0; @@ -254,6 +257,7 @@ static int cros_ec_sensors_read_data_unsafe(struct iio_dev *indio_dev, if (ret < 0) return ret; + *data *= st->sign[i]; data++; } diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h index ce16445411ac..a1c85ad4df91 100644 --- a/include/linux/iio/common/cros_ec_sensors_core.h +++ b/include/linux/iio/common/cros_ec_sensors_core.h @@ -71,6 +71,7 @@ struct cros_ec_sensors_core_state { enum motionsensor_location loc; s16 calib[CROS_EC_SENSOR_MAX_AXIS]; + s8 sign[CROS_EC_SENSOR_MAX_AXIS]; u8 samples[CROS_EC_SAMPLE_SIZE]; -- 2.22.0.410.gd8fdbe21b5-goog