diff options
| author |   pirofti <pirofti@openbsd.org> | 2009-06-04 04:50:08 +0000 |
|---|---|---|
| committer | pirofti <pirofti@openbsd.org> | 2009-06-04 04:50:08 +0000 |
| commit | 8b30fc5dd567befc5ac760ce972442bb9136049e (patch) | |
| tree | ec51b5b2ea7cc6d0aae46177e785a7cb0dbe2818 | |
| parent | Fix IPv4 rx checksumming for the non-TCP/UDP case. DESCV2 chips (diff) | |
| download | wireguard-openbsd-8b30fc5dd567befc5ac760ce972442bb9136049e.tar.xz wireguard-openbsd-8b30fc5dd567befc5ac760ce972442bb9136049e.zip | |
Some output devices have only brightness support (or only output switching).
Handle the case where only brightness is supported. This makes brightness work
on some Sony Vaio's.
Okay mlarkin@ deraadt@.
| -rw-r--r-- | sys/dev/acpi/acpivideo.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/acpi/acpivideo.c b/sys/dev/acpi/acpivideo.c index a1728a08737..a23430cc946 100644 --- a/sys/dev/acpi/acpivideo.c +++ b/sys/dev/acpi/acpivideo.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpivideo.c,v 1.3 2009/06/03 00:36:59 pirofti Exp $ */ +/* $OpenBSD: acpivideo.c,v 1.4 2009/06/04 04:50:08 pirofti Exp $ */ /* * Copyright (c) 2008 Federico G. Schwindt <fgsch@openbsd.org> * @@ -97,6 +97,7 @@ acpivideo_attach(struct device *parent, struct device *self, void *aux) acpivideo_get_dod(sc); aml_find_node(aaa->aaa_node, "_DCS", acpi_foundvout, sc); + aml_find_node(aaa->aaa_node, "_BCL", acpi_foundvout, sc); } int @@ -170,6 +171,11 @@ acpi_foundvout(struct aml_node *node, void *arg) av.aaa.aaa_node = node->parent; av.aaa.aaa_name = "acpivout"; av.dod = sc->sc_dod[i]; + /* + * Make sure we don't attach twice if both _BCL and + * _DCS methods are found by zeroing the DOD address. + */ + sc->sc_dod[i] = 0; config_found(self, &av, acpivideo_print); } |