ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT 8260 drivers/gpu/drm/amd/include/atombios.h #define ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT    0x9400          // Notify caller that ADC is supported
ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT 6990 drivers/gpu/drm/radeon/atombios.h #define ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT    0x9400          // Notify caller that ADC is supported