ATPX_FUNCTION_I2C_MUX_CONTROL  340 drivers/gpu/drm/amd/include/amd_acpi.h #define ATPX_FUNCTION_I2C_MUX_CONTROL                              0x4
ATPX_FUNCTION_I2C_MUX_CONTROL  321 drivers/gpu/drm/radeon/radeon_acpi.h #define ATPX_FUNCTION_I2C_MUX_CONTROL                              0x4