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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,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 9853AC43381 for ; Wed, 20 Feb 2019 14:01:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72DC320880 for ; Wed, 20 Feb 2019 14:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726455AbfBTOBC (ORCPT ); Wed, 20 Feb 2019 09:01:02 -0500 Received: from mo4-p02-ob.smtp.rzone.de ([85.215.255.82]:25224 "EHLO mo4-p02-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726227AbfBTOBC (ORCPT ); Wed, 20 Feb 2019 09:01:02 -0500 X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1OAA2UNf2M0OzzrKQ==" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 44.9 DYNA|AUTH) with ESMTPSA id 608499v1KE0xEqW (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Wed, 20 Feb 2019 15:00:59 +0100 (CET) From: "H. Nikolaus Schaller" To: Linus Walleij , Jonathan Cameron , Rob Herring , Mark Rutland , "H. Nikolaus Schaller" , Andy Shevchenko , Charles Keepax , Song Qiang Cc: letux-kernel@openphoenux.org, Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/9] iio: accel: bma180: add mount matrix support Date: Wed, 20 Feb 2019 15:00:51 +0100 Message-Id: <445e2cafb4c741859219830bc1204bb3cb87f152.1550671256.git.hns@goldelico.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: References: 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 This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller --- drivers/iio/accel/bma180.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index cb9765a3de60..248be67e4f41 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -116,6 +116,7 @@ struct bma180_data { struct i2c_client *client; struct iio_trigger *trig; const struct bma180_part_info *part_info; + struct iio_mount_matrix orientation; struct mutex mutex; bool sleep_state; int scale; @@ -561,6 +562,13 @@ static int bma180_set_power_mode(struct iio_dev *indio_dev, return ret; } +static const struct iio_mount_matrix * +bma180_accel_get_mount_matrix(const struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + return &((struct bma180_data *)iio_priv(indio_dev))->orientation; +} + static const struct iio_enum bma180_power_mode_enum = { .items = bma180_power_modes, .num_items = ARRAY_SIZE(bma180_power_modes), @@ -571,6 +579,7 @@ static const struct iio_enum bma180_power_mode_enum = { static const struct iio_chan_spec_ext_info bma180_ext_info[] = { IIO_ENUM("power_mode", true, &bma180_power_mode_enum), IIO_ENUM_AVAILABLE("power_mode", &bma180_power_mode_enum), + IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, bma180_accel_get_mount_matrix), { }, }; @@ -722,6 +731,11 @@ static int bma180_probe(struct i2c_client *client, chip = id->driver_data; data->part_info = &bma180_part_info[chip]; + ret = of_iio_read_mount_matrix(&client->dev, "mount-matrix", + &data->orientation); + if (ret) + return ret; + ret = data->part_info->chip_config(data); if (ret < 0) goto err_chip_disable; -- 2.19.1