From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: ACPI: SBS: Add sysfs alarm Date: Fri, 17 Aug 2007 12:30:16 +0400 Message-ID: <46C55C98.7040805@gmail.com> References: <46C4B6F1.9060301@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from ug-out-1314.google.com ([66.249.92.169]:27346 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750796AbXHQIaa (ORCPT ); Fri, 17 Aug 2007 04:30:30 -0400 Received: by ug-out-1314.google.com with SMTP id j3so315399ugf for ; Fri, 17 Aug 2007 01:30:28 -0700 (PDT) In-Reply-To: <46C4B6F1.9060301@gmail.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Alexey Starikovskiy Cc: Len Brown , ACPI Devel Maling List Signed-off-by: Alexey Starikovskiy --- drivers/acpi/sbs.c | 36 ++++++++++++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index abf7b94..80a8e00 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -447,6 +447,40 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs) return result; } +#ifdef ENABLE_POWER_SUPPLY + +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)); + acpi_battery_get_alarm(battery); + return sprintf(buf, "%d\n", battery->alarm_capacity * + acpi_battery_scale(battery) * 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_capacity = x / + (1000 * acpi_battery_scale(battery)); + if (battery->present) + 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, +}; + +#endif + /* -------------------------------------------------------------------------- FS Interface (/proc/acpi) -------------------------------------------------------------------------- */ @@ -792,6 +826,7 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) } battery->bat.get_property = acpi_sbs_battery_get_property; result = power_supply_register(&sbs->device->dev, &battery->bat); + device_create_file(battery->bat.dev, &alarm_attr); #endif printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), @@ -803,6 +838,7 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { #ifdef ENABLE_POWER_SUPPLY if (sbs->battery[id].bat.dev) + device_remove_file(sbs->battery[id].bat.dev, &alarm_attr); power_supply_unregister(&sbs->battery[id].bat); #endif #ifdef CONFIG_ACPI_PROCFS