From mboxrd@z Thu Jan 1 00:00:00 1970 From: Len Brown Subject: [PATCH 15/32] ACPI: SBS: Add sysfs alarm Date: Fri, 21 Sep 2007 23:46:21 -0400 Message-ID: <1190432811241-git-send-email-lenb@kernel.org> References: <11904327981905-git-send-email-lenb@kernel.org> <11904327991059-git-send-email-lenb@kernel.org> <11904328003655-git-send-email-lenb@kernel.org> <11904328012791-git-send-email-lenb@kernel.org> <11904328011699-git-send-email-lenb@kernel.org> <1190432802575-git-send-email-lenb@kernel.org> <11904328031107-git-send-email-lenb@kernel.org> <11904328041498-git-send-email-lenb@kernel.org> <11904328052010-git-send-email-lenb@kernel.org> <11904328061489-git-send-email-lenb@kernel.org> <119043280633-git-send-email-lenb@kernel.org> <1190432807843-git-send-email-lenb@kernel.org> <1190432808586-git-send-email-lenb@kernel.org> <11904328092328-git-send-email-lenb@kernel.org> <11904328102889-git-send-email-lenb@kernel.org> Return-path: Received: from mga10.intel.com ([192.55.52.92]:2443 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756927AbXIVDqw (ORCPT ); Fri, 21 Sep 2007 23:46:52 -0400 In-Reply-To: <11904328102889-git-send-email-lenb@kernel.org> Message-Id: 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/sbs.c | 36 ++++++++++++++++++++++++++++++++++++ 1 files changed, 36 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 21a65f9..3f249df 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 -- 1.5.3.1.27.g57543