As pointed out by Rhialto, "degrees Kelvin" is redundant. So fix a

couple of comments related to converstion between Kelvin and degC.
This commit is contained in:
pgoyette 2010-03-05 12:44:16 +00:00
parent 0299287e5f
commit e1fc7f5215

View File

@ -1,4 +1,4 @@
/* $NetBSD: acpi_tz.c,v 1.59 2010/02/18 14:10:15 pgoyette Exp $ */
/* $NetBSD: acpi_tz.c,v 1.60 2010/03/05 12:44:16 pgoyette Exp $ */
/*
* Copyright (c) 2003 Jared D. McNeill <jmcneill@invisible.ca>
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.59 2010/02/18 14:10:15 pgoyette Exp $");
__KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.60 2010/03/05 12:44:16 pgoyette Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -63,7 +63,7 @@ ACPI_MODULE_NAME ("acpi_tz")
/* constants */
#define ATZ_TZP_RATE 300 /* default if no _TZP CM present (30 secs) */
#define ATZ_NLEVELS 10 /* number of cooling levels, from ACPI spec */
#define ATZ_ZEROC 2732 /* 0C in tenths degrees Kelvin */
#define ATZ_ZEROC 2732 /* 0C, measured in 0.1 Kelvin */
#define ATZ_TMP_INVALID 0xffffffff /* invalid temperature */
#define ATZ_ZONE_EXPIRE 9000 /* zone info refetch interval (15min) */
@ -75,8 +75,8 @@ static void acpitz_attach(device_t, device_t, void *);
/*
* ACPI Temperature Zone information. Note all temperatures are reported
* in tenths of degrees Kelvin, and that the ACPI specification assumes
* that K = C + 273.2 rather than the nominal 273.15 used by envsys(4).
* in 0.1 Kelvin, and that the ACPI specification assumes that
* K = C + 273.2 rather than the nominal 273.15 used by envsys(4).
* So define an appropriate conversion.
*/