str_preference 696 drivers/cpufreq/intel_pstate.c char str_preference[21]; str_preference 699 drivers/cpufreq/intel_pstate.c ret = sscanf(buf, "%20s", str_preference); str_preference 703 drivers/cpufreq/intel_pstate.c ret = match_string(energy_perf_strings, -1, str_preference);