Symbol: TPACPI_BRGHT_MODE_UCMS_STEP
drivers/platform/x86/lenovo/thinkpad_acpi.c
6515
case TPACPI_BRGHT_MODE_UCMS_STEP:
drivers/platform/x86/lenovo/thinkpad_acpi.c
6591
case TPACPI_BRGHT_MODE_UCMS_STEP:
drivers/platform/x86/lenovo/thinkpad_acpi.c
6826
brightness_mode = TPACPI_BRGHT_MODE_UCMS_STEP;