diff options
| author |   semarie <semarie@openbsd.org> | 2016-04-26 09:42:57 +0000 |
|---|---|---|
| committer | semarie <semarie@openbsd.org> | 2016-04-26 09:42:57 +0000 |
| commit | 576e0c08c014ab034b6e9427ba648dcbb8bd696c (patch) | |
| tree | d838c7e20639b1abdca170287c110a446e5647df | |
| parent | add "dns" to openssl ocsp (diff) | |
| download | wireguard-openbsd-576e0c08c014ab034b6e9427ba648dcbb8bd696c.tar.xz wireguard-openbsd-576e0c08c014ab034b6e9427ba648dcbb8bd696c.zip | |
corrects acpitz problem with active cooling and hysterisis
"if the temperature is below the active cooling level for a tz, turn the fan off
regardless of what state it is currently in"
ok mlarkin@
| -rw-r--r-- | sys/dev/acpi/acpitz.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/acpi/acpitz.c b/sys/dev/acpi/acpitz.c index a76e933a529..f27bae71051 100644 --- a/sys/dev/acpi/acpitz.c +++ b/sys/dev/acpi/acpitz.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpitz.c,v 1.49 2015/05/06 01:41:55 jsg Exp $ */ +/* $OpenBSD: acpitz.c,v 1.50 2016/04/26 09:42:57 semarie Exp $ */ /* * Copyright (c) 2006 Can Erkin Acar <canacar@openbsd.org> * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org> @@ -37,6 +37,7 @@ #define KTOC(k) ((k - 2732) / 10) #define ACPITZ_MAX_AC (10) #define ACPITZ_TMP_RETRY (3) +#define ACPITZ_UNKNOWN (-1) struct acpitz_softc { struct device sc_dev; @@ -139,7 +140,6 @@ acpitz_init(struct acpitz_softc *sc, int flag) for (i = 0; i < ACPITZ_MAX_AC; i++) { snprintf(name, sizeof(name), "_AC%d", i); sc->sc_ac[i] = acpitz_getreading(sc, name); - sc->sc_ac_stat[i] = -1; } } @@ -160,6 +160,8 @@ acpitz_init(struct acpitz_softc *sc, int flag) sc->sc_devnode, &res, 0); aml_freevalue(&res); } + /* initialize current state to unknown */ + sc->sc_ac_stat[i] = ACPITZ_UNKNOWN; } } } @@ -423,7 +425,8 @@ acpitz_refresh(void *arg) acpitz_setfan(sc, i, "_ON_"); } else if (sc->sc_ac[i] != -1) { /* turn off fan i */ - if (sc->sc_ac_stat[i] > 0) + if ((sc->sc_ac_stat[i] == ACPITZ_UNKNOWN) || + (sc->sc_ac_stat[i] > 0)) acpitz_setfan(sc, i, "_OFF"); } } |