bcl_levels 6891 drivers/platform/x86/thinkpad_acpi.c int bcl_levels = 0; bcl_levels 6895 drivers/platform/x86/thinkpad_acpi.c bcl_levels = tpacpi_query_bcl_levels(video_device); bcl_levels 6897 drivers/platform/x86/thinkpad_acpi.c tp_features.bright_acpimode = (bcl_levels > 0); bcl_levels 6899 drivers/platform/x86/thinkpad_acpi.c return (bcl_levels > 2) ? (bcl_levels - 2) : 0;