Pali recently noticed that WMI instances are zero indexed. The only reason that these calls all worked properly is because the ASL didn't verify the instance number.
Signed-off-by: Louis Davis <[email protected]> Signed-off-by: Mario Limonciello <[email protected]> --- drivers/platform/x86/dell-wmi-led.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/dell-wmi-led.c b/drivers/platform/x86/dell-wmi-led.c index a0c7e99..5bedaf7 100644 --- a/drivers/platform/x86/dell-wmi-led.c +++ b/drivers/platform/x86/dell-wmi-led.c @@ -68,7 +68,7 @@ static int dell_led_perform_fn(u8 length, u8 result_code, u8 device_id, input.length = sizeof(struct bios_args); input.pointer = &args; - status = wmi_evaluate_method(DELL_LED_BIOS_GUID, 1, 1, &input, &output); + status = wmi_evaluate_method(DELL_LED_BIOS_GUID, 0, 1, &input, &output); if (ACPI_FAILURE(status)) return status; -- 2.7.4
