diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/battery.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/ec.c | 8 | ||||
| -rw-r--r-- | drivers/acpi/sbs.c | 25 |
3 files changed, 27 insertions, 8 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 192c244f619..2e8e790c118 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -153,6 +153,8 @@ static int acpi_battery_get_property(struct power_supply *psy, val->intval = POWER_SUPPLY_STATUS_CHARGING; else if (battery->state == 0) val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_UNKNOWN; break; case POWER_SUPPLY_PROP_PRESENT: val->intval = acpi_battery_present(battery); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 390f8f8666d..d6ddb547f2d 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -890,12 +890,20 @@ int __init acpi_ec_ecdt_probe(void) boot_ec->gpe = ecdt_ptr->gpe; boot_ec->handle = ACPI_ROOT_OBJECT; } else { + /* This workaround is needed only on some broken machines, + * which require early EC, but fail to provide ECDT */ + acpi_handle x; printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n"); status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device, boot_ec, NULL); /* Check that acpi_get_devices actually find something */ if (ACPI_FAILURE(status) || !boot_ec->handle) goto error; + /* We really need to limit this workaround, the only ASUS, + * which needs it, has fake EC._INI method, so use it as flag. + */ + if (ACPI_FAILURE(acpi_get_handle(boot_ec->handle, "_INI", &x))) + goto error; } ret = ec_install_handlers(boot_ec); diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 90fd09c65f9..73c1ba31429 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -113,6 +113,7 @@ struct acpi_battery { u16 spec; u8 id; u8 present:1; + u8 have_sysfs_alarm:1; }; #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat); @@ -808,7 +809,13 @@ 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); + if (result) + goto end; + result = device_create_file(battery->bat.dev, &alarm_attr); + if (result) + goto end; + battery->have_sysfs_alarm = 1; + end: printk(KERN_INFO PREFIX "%s [%s]: Battery Slot [%s] (battery %s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), battery->name, sbs->battery->present ? "present" : "absent"); @@ -817,14 +824,16 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { - if (sbs->battery[id].bat.dev) - device_remove_file(sbs->battery[id].bat.dev, &alarm_attr); - power_supply_unregister(&sbs->battery[id].bat); -#ifdef CONFIG_ACPI_PROCFS - if (sbs->battery[id].proc_entry) { - acpi_sbs_remove_fs(&(sbs->battery[id].proc_entry), - acpi_battery_dir); + struct acpi_battery *battery = &sbs->battery[id]; + + if (battery->bat.dev) { + if (battery->have_sysfs_alarm) + device_remove_file(battery->bat.dev, &alarm_attr); + power_supply_unregister(&battery->bat); } +#ifdef CONFIG_ACPI_PROCFS + if (battery->proc_entry) + acpi_sbs_remove_fs(&battery->proc_entry, acpi_battery_dir); #endif } |