From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752596AbdASMap (ORCPT ); Thu, 19 Jan 2017 07:30:45 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:43296 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752473AbdASMan (ORCPT ); Thu, 19 Jan 2017 07:30:43 -0500 From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com Cc: Olof Johansson , Lee Jones , Alessandro Zummo , Alexandre Belloni , Stephen Barber , Gwendal Grignou Subject: [PATCH v2 1/4] mfd: cros_ec: Add helper for event notifier. Date: Thu, 19 Jan 2017 13:30:29 +0100 Message-Id: <20170119123032.24679-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.9.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gwendal Grignou Add cros_ec_get_event() entry point to retrieve event within functions called by the notifier. Signed-off-by: Gwendal Grignou Signed-off-by: Enric Balletbo i Serra Acked-by: Lee Jones --- Changelog: * Added the ack by Lee Jones drivers/platform/chrome/cros_ec_proto.c | 20 ++++++++++++++++++++ include/linux/mfd/cros_ec.h | 10 ++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index ed5dee7..7428c2b 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -494,3 +494,23 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev) return get_keyboard_state_event(ec_dev); } EXPORT_SYMBOL(cros_ec_get_next_event); + +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev) +{ + u32 host_event; + + BUG_ON(!ec_dev->mkbp_event_supported); + + if (ec_dev->event_data.event_type != EC_MKBP_EVENT_HOST_EVENT) + return 0; + + if (ec_dev->event_size != sizeof(host_event)) { + dev_warn(ec_dev->dev, "Invalid host event size\n"); + return 0; + } + + host_event = get_unaligned_le32(&ec_dev->event_data.data.host_event); + + return host_event; +} +EXPORT_SYMBOL(cros_ec_get_host_event); diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index b3d04de..be2c4eb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -299,6 +299,16 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev); */ int cros_ec_get_next_event(struct cros_ec_device *ec_dev); +/** + * cros_ec_get_host_event - Return a mask of event set by the EC. + * + * When MKBP is supported, when the EC raises an interrupt, + * We collect the events raised and call the functions in the ec notifier. + * + * This function is a helper to know which events are raised. + */ +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev); + /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; -- 2.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: rtc-linux@googlegroups.com MIME-Version: 1.0 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk. [2a00:1098:0:82:1000:25:2eeb:e3e3]) by gmr-mx.google.com with ESMTPS id d130si1414018wmf.0.2017.01.19.04.30.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Jan 2017 04:30:41 -0800 (PST) From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org, rtc-linux@googlegroups.com Cc: Olof Johansson , Lee Jones , Alessandro Zummo , Alexandre Belloni , Stephen Barber , Gwendal Grignou Subject: [rtc-linux] [PATCH v2 1/4] mfd: cros_ec: Add helper for event notifier. Date: Thu, 19 Jan 2017 13:30:29 +0100 Message-Id: <20170119123032.24679-1-enric.balletbo@collabora.com> Reply-To: rtc-linux@googlegroups.com Content-Type: text/plain; charset=UTF-8 List-ID: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , From: Gwendal Grignou Add cros_ec_get_event() entry point to retrieve event within functions called by the notifier. Signed-off-by: Gwendal Grignou Signed-off-by: Enric Balletbo i Serra Acked-by: Lee Jones --- Changelog: * Added the ack by Lee Jones drivers/platform/chrome/cros_ec_proto.c | 20 ++++++++++++++++++++ include/linux/mfd/cros_ec.h | 10 ++++++++++ 2 files changed, 30 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index ed5dee7..7428c2b 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -494,3 +494,23 @@ int cros_ec_get_next_event(struct cros_ec_device *ec_dev) return get_keyboard_state_event(ec_dev); } EXPORT_SYMBOL(cros_ec_get_next_event); + +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev) +{ + u32 host_event; + + BUG_ON(!ec_dev->mkbp_event_supported); + + if (ec_dev->event_data.event_type != EC_MKBP_EVENT_HOST_EVENT) + return 0; + + if (ec_dev->event_size != sizeof(host_event)) { + dev_warn(ec_dev->dev, "Invalid host event size\n"); + return 0; + } + + host_event = get_unaligned_le32(&ec_dev->event_data.data.host_event); + + return host_event; +} +EXPORT_SYMBOL(cros_ec_get_host_event); diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index b3d04de..be2c4eb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -299,6 +299,16 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev); */ int cros_ec_get_next_event(struct cros_ec_device *ec_dev); +/** + * cros_ec_get_host_event - Return a mask of event set by the EC. + * + * When MKBP is supported, when the EC raises an interrupt, + * We collect the events raised and call the functions in the ec notifier. + * + * This function is a helper to know which events are raised. + */ +u32 cros_ec_get_host_event(struct cros_ec_device *ec_dev); + /* sysfs stuff */ extern struct attribute_group cros_ec_attr_group; extern struct attribute_group cros_ec_lightbar_attr_group; -- 2.9.3 -- You received this message because you are subscribed to "rtc-linux". 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