diff options
| -rw-r--r-- | sys/dev/pci/if_wpi.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sys/dev/pci/if_wpi.c b/sys/dev/pci/if_wpi.c index 1cd10c1e075..a5f43f4efea 100644 --- a/sys/dev/pci/if_wpi.c +++ b/sys/dev/pci/if_wpi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_wpi.c,v 1.40 2007/06/06 18:06:05 cnst Exp $ */ +/* $OpenBSD: if_wpi.c,v 1.41 2007/06/06 20:14:04 damien Exp $ */ /*- * Copyright (c) 2006, 2007 @@ -2238,7 +2238,11 @@ wpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, idx = interpolate(pwr, sample[0].power, sample[0].index, sample[1].power, sample[1].index, 19); - /* adjust power index based on current temperature */ + /*- + * Adjust power index based on current temperature: + * - if colder than factory-calibrated: decrease output power + * - if warmer than factory-calibrated: increase output power + */ idx -= (sc->temp - group->temp) * 11 / 100; /* decrease power for CCK rates (-5dB) */ @@ -2253,7 +2257,7 @@ wpi_get_power_index(struct wpi_softc *sc, struct wpi_power_group *group, return idx; #undef interpolate -#undef fdiv +#undef fdivround } /* |