From patchwork Sun May 20 13:28:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 917166 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40pjS621YFz9s3x for ; Sun, 20 May 2018 23:29:26 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751783AbeETN3W (ORCPT ); Sun, 20 May 2018 09:29:22 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:59932 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751732AbeETN3R (ORCPT ); Sun, 20 May 2018 09:29:17 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1F2B67D839; Sun, 20 May 2018 13:29:17 +0000 (UTC) Received: from shalem.localdomain.com (ovpn-116-92.ams2.redhat.com [10.36.116.92]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8A374215CDA7; Sun, 20 May 2018 13:29:15 +0000 (UTC) From: Hans de Goede To: "Rafael J . Wysocki" , Len Brown , Andy Shevchenko , Mika Westerberg , Wolfram Sang , Jonathan Cameron Cc: Hans de Goede , linux-acpi@vger.kernel.org, linux-i2c@vger.kernel.org, Hartmut Knaack , Lars-Peter Clausen , linux-iio@vger.kernel.org Subject: [PATCH 8/9] iio: gyro: bmg160: Add support for BSG1160 ACPI HID Date: Sun, 20 May 2018 15:28:56 +0200 Message-Id: <20180520132857.8103-9-hdegoede@redhat.com> In-Reply-To: <20180520132857.8103-1-hdegoede@redhat.com> References: <20180520132857.8103-1-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Sun, 20 May 2018 13:29:17 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Sun, 20 May 2018 13:29:17 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'hdegoede@redhat.com' RCPT:'' Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org The BSG1160 ACPI HID is a HID describing a sensor complex consisting of 3 sensors: Accel: BMC150A at addr 0x11 Gyro: BMG160 at addr 0x68 Magneto: BMC150B at addr 0x13 A previous patch on this series has added the BSG1160 HID to the i2c_acpi_multiple_devices_ids list, so that one i2c_client gets instantiated per sensor. This commit not only adds the BSG1160 HID to the bmg160 code, but it also makes the i2c probe function check the client address for devices with a BSG1160 HID and only bind to the one at address 0x68. Signed-off-by: Hans de Goede --- drivers/iio/gyro/bmg160_i2c.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/iio/gyro/bmg160_i2c.c b/drivers/iio/gyro/bmg160_i2c.c index 90126a5a7663..2f72f41e33bb 100644 --- a/drivers/iio/gyro/bmg160_i2c.c +++ b/drivers/iio/gyro/bmg160_i2c.c @@ -15,9 +15,17 @@ static const struct regmap_config bmg160_regmap_i2c_conf = { static int bmg160_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { + const struct acpi_device_id *acpi_id; struct regmap *regmap; + struct device *dev = &client->dev; const char *name = NULL; + /* The BSG1160 ACPI id describes multiple sensors, only bind to ours */ + acpi_id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (acpi_id && acpi_id->driver_data && + client->addr != acpi_id->driver_data) + return -ENODEV; + regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf); if (IS_ERR(regmap)) { dev_err(&client->dev, "Failed to register i2c regmap %d\n", @@ -41,6 +49,7 @@ static int bmg160_i2c_remove(struct i2c_client *client) static const struct acpi_device_id bmg160_acpi_match[] = { {"BMG0160", 0}, {"BMI055B", 0}, + {"BSG1160", 0x68}, {}, };