TPACPI_BEEP_Q1 6189 drivers/platform/x86/thinkpad_acpi.c TPACPI_Q_IBM('I', 'M', TPACPI_BEEP_Q1), /* 570 */ TPACPI_BEEP_Q1 6190 drivers/platform/x86/thinkpad_acpi.c TPACPI_Q_IBM('I', 'U', TPACPI_BEEP_Q1), /* 570E - unverified */ TPACPI_BEEP_Q1 6207 drivers/platform/x86/thinkpad_acpi.c tp_features.beep_needs_two_args = !!(quirks & TPACPI_BEEP_Q1);