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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 4447AC49ED7 for ; Fri, 13 Sep 2019 09:07:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 198AE20717 for ; Fri, 13 Sep 2019 09:07:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="boGpFXfC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387829AbfIMJHZ (ORCPT ); Fri, 13 Sep 2019 05:07:25 -0400 Received: from first.geanix.com ([116.203.34.67]:49578 "EHLO first.geanix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387798AbfIMJHZ (ORCPT ); Fri, 13 Sep 2019 05:07:25 -0400 Received: from zen.localdomain (unknown [85.184.140.241]) by first.geanix.com (Postfix) with ESMTPSA id CE175650D3; Fri, 13 Sep 2019 09:06:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=geanix.com; s=first; t=1568365592; bh=JQ4faEhDP3V6ZmCM2mD2ZRnO+wFy3nsQBN01f9pt02w=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=boGpFXfCe6soDdAFv/Uv6ciVM2M5O3iTP7PR2LN4Q4TGZyO2CGK22yKZkNAuXL54E N81o1q57gRUUsVvanyIqm/58Qo2JGZao6O6IQBEHbKBakAsqypqajqJBQ5yFqy3zmp 6tqEpDXEsrmayrpUiLWwqxR4m8bO/4aTTiDJrzBBN48Gl/3Hd85KVKMY0MSmE9bfKT pEYzebcsCZaB0eS2Ad+MbgqRR0YazpO6lsi7YzQY9BwtDlS6yKpkPlbkVvLHiXM6NK gvcCeGFFslTe4VN8mymvQw5+fC/LPzdvIUf1l6NZWWe/X27C1GIkxCA/+csPhJCeSn R3zsb8bQKa0oQ== From: Sean Nyekjaer To: linux-iio@vger.kernel.org, jic23@kernel.org, lorenzo.bianconi83@gmail.com Cc: Sean Nyekjaer , denis.ciocca@st.com, mario.tesi@st.com, armando.visconti@st.com, martin@geanix.com Subject: [PATCH v8 3/5] iio: imu: st_lsm6dsx: add wakeup-source option Date: Fri, 13 Sep 2019 11:07:06 +0200 Message-Id: <20190913090708.1442057-4-sean@geanix.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190913090708.1442057-1-sean@geanix.com> References: <20190913090708.1442057-1-sean@geanix.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Archived-At: List-Archive: List-Post: This add ways for the SoC to wake from accelerometer wake events. In the suspend function we skip disabling the sensor if wakeup-source and events are activated. Signed-off-by: Sean Nyekjaer --- Changes since v4: * More devices supports wakeup Changes since v5: * None Changes since v6: * None Changes since v7: * Add check for hw->enable_event * Moved disable_irq_wake section so it's called * Removed not neeeded continue from disable_irq_wake section drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 4198ba263d03..810807c52d5f 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -1858,6 +1858,9 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id, return err; } + if (dev->of_node && of_property_read_bool(dev->of_node, "wakeup-source")) + device_init_wakeup(dev, true); + return 0; } EXPORT_SYMBOL(st_lsm6dsx_probe); @@ -1876,6 +1879,13 @@ static int __maybe_unused st_lsm6dsx_suspend(struct device *dev) if (!(hw->enable_mask & BIT(sensor->id))) continue; + if (device_may_wakeup(dev) && i == ST_LSM6DSX_ID_ACC && + hw->enable_event) { + /* Enable wake from IRQ */ + enable_irq_wake(hw->irq); + continue; + } + if (sensor->id == ST_LSM6DSX_ID_EXT0 || sensor->id == ST_LSM6DSX_ID_EXT1 || sensor->id == ST_LSM6DSX_ID_EXT2) @@ -1904,6 +1914,10 @@ static int __maybe_unused st_lsm6dsx_resume(struct device *dev) if (!hw->iio_devs[i]) continue; + if (device_may_wakeup(dev) && i == ST_LSM6DSX_ID_ACC && + hw->enable_event) + disable_irq_wake(hw->irq); + sensor = iio_priv(hw->iio_devs[i]); if (!(hw->suspend_mask & BIT(sensor->id))) continue; -- 2.23.0