diff options
| author | njl <njl@FreeBSD.org> | 2004-12-20 05:03:41 +0000 |
|---|---|---|
| committer | njl <njl@FreeBSD.org> | 2004-12-20 05:03:41 +0000 |
| commit | 80bf67513f7be1aec9cd1c7eb34a33ea962e37f6 (patch) | |
| tree | 877f3ca81537b8b210638fdffa93c88b940fe646 /sys/dev/acpica/acpi_cmbat.c | |
| parent | 1d13972272c7d74a8a7deaac05f3a634d58229cf (diff) | |
| download | FreeBSD-src-80bf67513f7be1aec9cd1c7eb34a33ea962e37f6.zip FreeBSD-src-80bf67513f7be1aec9cd1c7eb34a33ea962e37f6.tar.gz | |
Only report a critical battery level once until it's gone non-critical.
An improvement would be to check all batteries for critical state before
printing a message.
Reported by: Kevin Oberman (oberman at es net)
Diffstat (limited to 'sys/dev/acpica/acpi_cmbat.c')
| -rw-r--r-- | sys/dev/acpica/acpi_cmbat.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/dev/acpica/acpi_cmbat.c b/sys/dev/acpica/acpi_cmbat.c index f48fdc6..54e4982 100644 --- a/sys/dev/acpica/acpi_cmbat.c +++ b/sys/dev/acpica/acpi_cmbat.c @@ -66,6 +66,7 @@ struct acpi_cmbat_softc { struct timespec bif_lastupdated; struct timespec bst_lastupdated; + int flags; int present; int cap; int min; @@ -189,9 +190,14 @@ acpi_cmbat_get_bst(void *context) goto end; acpi_cmbat_info_updated(&sc->bst_lastupdated); - /* XXX Should we shut down here? */ - if (sc->bst.state & ACPI_BATT_STAT_CRITICAL) - device_printf(dev, "critically low charge!\n"); + /* XXX If all batteries are critical, perhaps we should suspend. */ + if (sc->bst.state & ACPI_BATT_STAT_CRITICAL) { + if ((sc->flags & ACPI_BATT_STAT_CRITICAL) == 0) { + sc->flags |= ACPI_BATT_STAT_CRITICAL; + device_printf(dev, "critically low charge!\n"); + } + } else + sc->flags &= ~ACPI_BATT_STAT_CRITICAL; end: if (bst_buffer.Pointer != NULL) |
