diff options
Diffstat (limited to 'src/acpi')
| -rw-r--r-- | src/acpi/acpigen_dptf.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/acpi/acpigen_dptf.c b/src/acpi/acpigen_dptf.c index c18caf673e..6caf8bfcaf 100644 --- a/src/acpi/acpigen_dptf.c +++ b/src/acpi/acpigen_dptf.c @@ -12,6 +12,7 @@ enum { ART_REVISION = 0, DEFAULT_PRIORITY = 100, + DEFAULT_TRIP_POINT = 0xFFFFFFFFull, DEFAULT_WEIGHT = 100, DPTF_MAX_ART_THRESHOLDS = 10, }; @@ -321,3 +322,39 @@ void dptf_write_charger_perf(const struct dptf_charger_perf *states, int max_cou acpigen_pop_len(); /* Method PPSS */ acpigen_pop_len(); /* Scope */ } + +void dptf_write_fan_perf(const struct dptf_fan_perf *states, int max_count) +{ + char *pkg_count; + int i; + + if (!max_count || !states[0].percent) + return; + + dptf_write_scope(DPTF_FAN); + + /* _FPS - Fan Performance States */ + acpigen_write_name("_FPS"); + pkg_count = acpigen_write_package(0); + + for (i = 0; i < max_count; ++i) { + /* + * Some _FPS tables do include a last entry where Percent is 0, but Power is + * called out, so this table is finished when both are zero. + */ + if (!states[i].percent && !states[i].power) + break; + + (*pkg_count)++; + acpigen_write_package(5); + acpigen_write_integer(states[i].percent); + acpigen_write_integer(DEFAULT_TRIP_POINT); + acpigen_write_integer(states[i].speed); + acpigen_write_integer(states[i].noise_level); + acpigen_write_integer(states[i].power); + acpigen_pop_len(); /* inner Package */ + } + + acpigen_pop_len(); /* Package */ + acpigen_pop_len(); /* Scope */ +} |