Merge branch 'acpi-cleanup'

[~andy/linux] / drivers / acpi / battery.c

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index e90ef8b96f266086ade6178162d3f87e2b3f6aa1..470e7542bf31a3c2d571385e9b418de0a28eb140 100644 (file)
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -61,6 +61,7 @@ MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>");
 MODULE_DESCRIPTION("ACPI Battery Driver");
 MODULE_LICENSE("GPL");
 
+static int battery_bix_broken_package;
 static unsigned int cache_time = 1000;
 module_param(cache_time, uint, 0644);
 MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
@@ -415,7 +416,12 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
                ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name));
                return -ENODEV;
        }
-       if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
+
+       if (battery_bix_broken_package)
+               result = extract_package(battery, buffer.pointer,
+                               extended_info_offsets + 1,
+                               ARRAY_SIZE(extended_info_offsets) - 1);
+       else if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
                result = extract_package(battery, buffer.pointer,
                                extended_info_offsets,
                                ARRAY_SIZE(extended_info_offsets));
@@ -753,6 +759,17 @@ static int battery_notify(struct notifier_block *nb,
        return 0;
 }
 
+static struct dmi_system_id bat_dmi_table[] = {
+       {
+               .ident = "NEC LZ750/LS",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "NEC"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "PC-LZ750LS"),
+               },
+       },
+       {},
+};
+
 static int acpi_battery_add(struct acpi_device *device)
 {
        int result = 0;
@@ -845,6 +862,9 @@ static void __init acpi_battery_init_async(void *unused, async_cookie_t cookie)
 {
        if (acpi_disabled)
                return;
+
+       if (dmi_check_system(bat_dmi_table))
+               battery_bix_broken_package = 1;
        acpi_bus_register_driver(&acpi_battery_driver);
 }