I am trying to enable the LED mute button on T420, I found that
echo '14 blink' >/proc/ibm/acpi/leds
causes the mute button led to blink, so I added the following to
static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
"tpacpt::mute_mic",
and I am adding to the useful led quirk table:
static const struct tpacpi_quirk led_useful_qtable[] __initconst = {
TPACPI_Q_LNV('8', '3', 0xXXXX), /* T420 */
Where __id1 and __id2 are the bios id for this thinkpad, 83ET43WW, but I
dont know how to figure out the value for __quirk. Can someone help me
figure this out ? In the dsdt.dsl I find
Method (LED, 2, NotSerialized)
{
Or (Arg0, Arg1, Local0)
If (\H8DR)
{
Store (Local0, HLCL)
}
Else
{
\WBEC (0x0C, Local0)
}
}
but not sure how to form the __quirk value from that.
--
Manoj Iyer
Ubuntu/Canonical
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