From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: [PATCH 24/37] ACPI: Battery: add sysfs alarm Date: Wed, 10 Oct 2007 01:06:31 -0400 Message-ID: <1191992804-14965-25-git-send-email-lenb@kernel.org> References: <1191992804-14965-1-git-send-email-lenb@kernel.org> Return-path: Received: from mga10.intel.com ([192.55.52.92]:57266 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751343AbXJJFHE (ORCPT ); Wed, 10 Oct 2007 01:07:04 -0400 In-Reply-To: <1191992804-14965-1-git-send-email-lenb@kernel.org> Message-Id: <3e58ea0d31659b22ba5753f7abf3d7db346eab81.1191992584.git.len.brown@intel.com> In-Reply-To: References: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: Alexey Starikovskiy , Len Brown From: Alexey Starikovskiy Signed-off-by: Alexey Starikovskiy Signed-off-by: Len Brown --- drivers/acpi/battery.c | 33 ++++++++++++++++++++++++++++++++- 1 files changed, 32 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 057a5eb..681e26b 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -687,6 +687,34 @@ static void acpi_battery_remove_fs(struct acpi_device *device) } #endif + +static ssize_t acpi_battery_alarm_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); + return sprintf(buf, "%d\n", battery->alarm * 1000); +} + +static ssize_t acpi_battery_alarm_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + unsigned long x; + struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); + if (sscanf(buf, "%ld\n", &x) == 1) + battery->alarm = x/1000; + if (acpi_battery_present(battery)) + acpi_battery_set_alarm(battery); + return count; +} + +static struct device_attribute alarm_attr = { + .attr = {.name = "alarm", .mode = 0644, .owner = THIS_MODULE}, + .show = acpi_battery_alarm_show, + .store = acpi_battery_alarm_store, +}; + /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ @@ -732,6 +760,7 @@ static int acpi_battery_add(struct acpi_device *device) battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; battery->bat.get_property = acpi_battery_get_property; result = power_supply_register(&battery->device->dev, &battery->bat); + result = device_create_file(battery->bat.dev, &alarm_attr); status = acpi_install_notify_handler(device->handle, ACPI_ALL_NOTIFY, acpi_battery_notify, battery); @@ -767,8 +796,10 @@ static int acpi_battery_remove(struct acpi_device *device, int type) #ifdef CONFIG_ACPI_PROCFS acpi_battery_remove_fs(device); #endif - if (battery->bat.dev) + if (battery->bat.dev) { + device_remove_file(battery->bat.dev, &alarm_attr); power_supply_unregister(&battery->bat); + } mutex_destroy(&battery->lock); kfree(battery); return 0; -- 1.5.3.4.206.g58ba4