return_byte       226 drivers/acpi/acpica/acutils.h acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte);
return_byte        58 drivers/acpi/acpica/uthex.c acpi_status acpi_ut_ascii_to_hex_byte(char *two_ascii_chars, u8 *return_byte)
return_byte        68 drivers/acpi/acpica/uthex.c 	*return_byte =