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acer-wmi: check the existence of internal wireless device when set capability 

That will be better to check the existence of internal wireless device
when we set wireless capability and generate killswitch for it. It can
avoid userland access wireless rfkill but the machine doesn't have internal
wireless device.

Tested on Acer Travelmate 8572

Cc: Carlos Corbacho <carlos@strangeworlds.co.uk>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Corentin Chary <corentincj@iksaif.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Lee, Chun-Yi 2011-08-18 18:47:34 +08:00 committed by Matthew Garrett
parent 72e71de15f
commit 1fbc01a7b0
1 changed files with 3 additions and 1 deletions
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4
drivers/platform/x86/acer-wmi.c
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@ -1094,7 +1094,9 @@ static acpi_status WMID_set_capabilities(void)
return AE_ERROR;
}
interface->capability |= ACER_CAP_WIRELESS;
pr_info("Function bitmap for Communication Device: 0x%x\n", devices);
if (devices & 0x07)
interface->capability |= ACER_CAP_WIRELESS;
if (devices & 0x40)
interface->capability |= ACER_CAP_THREEG;
if (devices & 0x10)