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Diffstat (limited to 'drivers/platform/x86/acer-wmi.c')
-rw-r--r--drivers/platform/x86/acer-wmi.c35
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index a6a42e8c060b..0f6e43bf4fc2 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1,7 +1,7 @@
/*
* Acer WMI Laptop Extras
*
- * Copyright (C) 2007-2008 Carlos Corbacho <carlos@strangeworlds.co.uk>
+ * Copyright (C) 2007-2009 Carlos Corbacho <carlos@strangeworlds.co.uk>
*
* Based on acer_acpi:
* Copyright (C) 2005-2007 E.M. Smith
@@ -225,6 +225,25 @@ static struct quirk_entry quirk_fujitsu_amilo_li_1718 = {
.wireless = 2,
};
+/* The Aspire One has a dummy ACPI-WMI interface - disable it */
+static struct dmi_system_id __devinitdata acer_blacklist[] = {
+ {
+ .ident = "Acer Aspire One (SSD)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AOA110"),
+ },
+ },
+ {
+ .ident = "Acer Aspire One (HDD)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
+ },
+ },
+ {}
+};
+
static struct dmi_system_id acer_quirks[] = {
{
.callback = dmi_matched,
@@ -1117,11 +1136,17 @@ static int __devinit acer_platform_probe(struct platform_device *device)
}
err = acer_rfkill_init(&device->dev);
+ if (err)
+ goto error_rfkill;
return err;
+error_rfkill:
+ if (has_cap(ACER_CAP_BRIGHTNESS))
+ acer_backlight_exit();
error_brightness:
- acer_led_exit();
+ if (has_cap(ACER_CAP_MAILLED))
+ acer_led_exit();
error_mailled:
return err;
}
@@ -1254,6 +1279,12 @@ static int __init acer_wmi_init(void)
printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n");
+ if (dmi_check_system(acer_blacklist)) {
+ printk(ACER_INFO "Blacklisted hardware detected - "
+ "not loading\n");
+ return -ENODEV;
+ }
+
find_quirks();
/*