diff options
| author | Carlos Corbacho <carlos@strangeworlds.co.uk> | 2009-04-05 18:20:04 +0000 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2009-04-27 10:36:58 -0700 |
| commit | 3eb67e60612af334fda0b344620e3b04f4254a60 (patch) | |
| tree | 2bf68871341ead7d26a2ee6a3cbe857bbcf5038e /drivers | |
| parent | fce2b77a3f903be6c3cc46de7b850e3fd910bcef (diff) | |
acer-wmi: Blacklist Acer Aspire One
upstream commit: a74dd5fdabcd34c93e17e9c7024eeb503c92b048
The Aspire One's ACPI-WMI interface is a placeholder that does nothing,
and the invalid results that we get from it are now causing userspace
problems as acer-wmi always returns that the rfkill is enabled (i.e. the
radio is off, when it isn't). As it's hardware controlled, acer-wmi
isn't needed on the Aspire One either.
Thanks to Andy Whitcroft at Canonical for tracking down Ubuntu's userspace
issues to this.
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Reported-by: Andy Whitcroft <apw@canonical.com>
Cc: stable@kernel.org
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/acer-wmi.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index a6a42e8c060b..60fbef283e73 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -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, @@ -1254,6 +1273,12 @@ 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(); /* |