ideapad: check VPC bit before sync rfkill hw status
Check VPC bit to make sure the HW rfkill is touched. Signed-off-by: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
parent
6a09f21dd1
commit
8e7d354370
|
@ -379,7 +379,21 @@ static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
|
|||
|
||||
static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
|
||||
{
|
||||
ideapad_sync_rfk_state(adevice);
|
||||
acpi_handle handle = adevice->handle;
|
||||
unsigned long vpc1, vpc2, vpc_bit;
|
||||
|
||||
if (read_ec_data(handle, 0x10, &vpc1))
|
||||
return;
|
||||
if (read_ec_data(handle, 0x1A, &vpc2))
|
||||
return;
|
||||
|
||||
vpc1 = (vpc2 << 8) | vpc1;
|
||||
for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) {
|
||||
if (test_bit(vpc_bit, &vpc1)) {
|
||||
if (vpc_bit == 9)
|
||||
ideapad_sync_rfk_state(adevice);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static struct acpi_driver ideapad_acpi_driver = {
|
||||
|
|
Loading…
Reference in New Issue