acpi_ec_write
return acpi_ec_write(first_ec, addr, val);
if (unlikely(!acpi_ec_write(TP_EC_BACKLIGHT,
if (!acpi_ec_write(TP_EC_AUDIO, status))
!acpi_ec_write(fan_status_offset, level)) {
if (!acpi_ec_write(fan_status_offset, level))
if (!acpi_ec_write(fan_status_offset, s))
if (!acpi_ec_write(fan_status_offset, 0x00))