Some new Lenovo or ThinkPad laptops don't have EC controllable LEDs, they control LEDs by BIOS functions, and return ACPI Warning while operating LEDs by EC. These patches set some quirks, optimize led_init() and led_write() to avoid that warning. Adam Lee (3): thinkpad_acpi: return -NODEV while operating uninitialized LEDs thinkpad_acpi: add the ability setting TPACPI_LED_NONE by quirk thinkpad_acpi: add LED quirks of models which don't have EC controllable LEDs drivers/platform/x86/thinkpad_acpi.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html