From patchwork Tue Dec 23 23:29:57 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Pandruvada X-Patchwork-Id: 5535851 X-Patchwork-Delegate: rui.zhang@intel.com Return-Path: X-Original-To: patchwork-linux-pm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 055B6BEEA8 for ; Tue, 23 Dec 2014 23:30:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 430AA20120 for ; Tue, 23 Dec 2014 23:30:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A6D3200F4 for ; Tue, 23 Dec 2014 23:30:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756128AbaLWXai (ORCPT ); Tue, 23 Dec 2014 18:30:38 -0500 Received: from mga01.intel.com ([192.55.52.88]:53228 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751411AbaLWXai (ORCPT ); Tue, 23 Dec 2014 18:30:38 -0500 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 23 Dec 2014 15:30:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,634,1413270000"; d="scan'208";a="659272628" Received: from spandruv-desktop.jf.intel.com ([10.7.199.150]) by orsmga002.jf.intel.com with ESMTP; 23 Dec 2014 15:30:33 -0800 From: Srinivas Pandruvada To: rui.zhang@intel.com, edubezval@gmail.com Cc: linux-pm@vger.kernel.org, Srinivas Pandruvada Subject: [PATCH] Thermal/int340x/int3402: Provide notification support Date: Tue, 23 Dec 2014 15:29:57 -0800 Message-Id: <1419377397-13983-1-git-send-email-srinivas.pandruvada@linux.intel.com> X-Mailer: git-send-email 1.9.3 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This driver supports programmable trips, but didn't register notification handler to receive threshold violation notification. Signed-off-by: Srinivas Pandruvada --- drivers/thermal/int340x_thermal/int3402_thermal.c | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/thermal/int340x_thermal/int3402_thermal.c b/drivers/thermal/int340x_thermal/int3402_thermal.c index 2f65db2..fcb2af1 100644 --- a/drivers/thermal/int340x_thermal/int3402_thermal.c +++ b/drivers/thermal/int340x_thermal/int3402_thermal.c @@ -16,15 +16,37 @@ #include #include "int340x_thermal_zone.h" +#define INT3402_PERF_CHANGED_EVENT 0x80 +#define INT3402_THERMAL_EVENT 0x90 + struct int3402_thermal_data { acpi_handle *handle; struct int34x_thermal_zone *int340x_zone; }; +static void int3402_notify(acpi_handle handle, u32 event, void *data) +{ + struct int3402_thermal_data *priv = data; + + if (!priv) + return; + + switch (event) { + case INT3402_PERF_CHANGED_EVENT: + break; + case INT3402_THERMAL_EVENT: + int340x_thermal_zone_device_update(priv->int340x_zone); + break; + default: + break; + } +} + static int int3402_thermal_probe(struct platform_device *pdev) { struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); struct int3402_thermal_data *d; + int ret; if (!acpi_has_method(adev->handle, "_TMP")) return -ENODEV; @@ -37,6 +59,15 @@ static int int3402_thermal_probe(struct platform_device *pdev) if (IS_ERR(d->int340x_zone)) return PTR_ERR(d->int340x_zone); + ret = acpi_install_notify_handler(adev->handle, + ACPI_DEVICE_NOTIFY, + int3402_notify, + d); + if (ret) { + int340x_thermal_zone_remove(d->int340x_zone); + return ret; + } + d->handle = adev->handle; platform_set_drvdata(pdev, d); @@ -47,6 +78,8 @@ static int int3402_thermal_remove(struct platform_device *pdev) { struct int3402_thermal_data *d = platform_get_drvdata(pdev); + acpi_remove_notify_handler(d->handle, + ACPI_DEVICE_NOTIFY, int3402_notify); int340x_thermal_zone_remove(d->int340x_zone); return 0;