tree ca71cf1e81ebc4d6c90c5ae54987158886cd4e2a
parent e09070c51b280567695022237e57c428e548b355
author Hans de Goede <hdegoede@redhat.com> 1521232088 +0100
committer Marcel Holtmann <marcel@holtmann.org> 1522585531 +0200

Bluetooth: hci_bcm: Treat Interrupt ACPI resources as always being active-low

Older devices with a serdev attached bcm bt hci, use an Interrupt ACPI
resource to describe the IRQ (rather then a GpioInt resource).

These device seem to all claim the IRQ is active-high and seem to all need
a DMI quirk to treat it as active-low. Instead simply always assume that
Interrupt resource specified IRQs are always active-low.

This fixes the bt device not being able to wake the host from runtime-
suspend on the: Asus T100TAM, Asus T200TA, Lenovo Yoga2 and the Toshiba
Encore, without the need to add 4 new DMI quirks for these models.

This also allows us to remove 2 DMI quirks for the Asus T100TA and Asus
T100CHI series. Likely the 2 remaining quirks can also be removed but I
could not find a DSDT of these devices to verify this.

Cc: stable@vger.kernel.org
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=198953
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1554835
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>