diff options
| author | Joshua Stein <jcs@cvs.openbsd.org> | 2016-07-27 02:26:27 +0000 |
|---|---|---|
| committer | Joshua Stein <jcs@cvs.openbsd.org> | 2016-07-27 02:26:27 +0000 |
| commit | a096341ccb5d36010f58c11156debc8355afd42a (patch) | |
| tree | cc3df4c84ef7ffaafb393fcaac10d58be47c475f | |
| parent | d438b20c13d558cc65271fdd17007c533cc06881 (diff) | |
after system resume, re-write backlight level
| -rw-r--r-- | sys/dev/acpi/acpicbkbd.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/sys/dev/acpi/acpicbkbd.c b/sys/dev/acpi/acpicbkbd.c index b0951a792f0..af0a1b8b6ec 100644 --- a/sys/dev/acpi/acpicbkbd.c +++ b/sys/dev/acpi/acpicbkbd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpicbkbd.c,v 1.1 2016/07/01 15:02:49 jcs Exp $ */ +/* $OpenBSD: acpicbkbd.c,v 1.2 2016/07/27 02:26:26 jcs Exp $ */ /* * Copyright (c) 2016 joshua stein <jcs@openbsd.org> * @@ -24,6 +24,8 @@ #include <dev/wscons/wsconsio.h> +/* #define ACPICBKBD_DEBUG */ + #ifdef ACPICBKBD_DEBUG #define DPRINTF(x) printf x #else @@ -42,6 +44,7 @@ struct acpicbkbd_softc { int acpicbkbd_match(struct device *, void *, void *); void acpicbkbd_attach(struct device *, struct device *, void *); +int acpicbkbd_activate(struct device *, int); int acpicbkbd_get_backlight(struct wskbd_backlight *); int acpicbkbd_set_backlight(struct wskbd_backlight *); @@ -50,7 +53,11 @@ extern int (*wskbd_get_backlight)(struct wskbd_backlight *); extern int (*wskbd_set_backlight)(struct wskbd_backlight *); struct cfattach acpicbkbd_ca = { - sizeof(struct acpicbkbd_softc), acpicbkbd_match, acpicbkbd_attach + sizeof(struct acpicbkbd_softc), + acpicbkbd_match, + acpicbkbd_attach, + NULL, + acpicbkbd_activate, }; struct cfdriver acpicbkbd_cd = { @@ -93,6 +100,21 @@ acpicbkbd_attach(struct device *parent, struct device *self, void *aux) } int +acpicbkbd_activate(struct device *self, int act) +{ + struct acpicbkbd_softc *sc = (struct acpicbkbd_softc *)self; + + switch (act) { + case DVACT_WAKEUP: + /* restore backlight to pre-suspend value */ + acpi_addtask(sc->sc_acpi, acpicbkbd_write_backlight, sc, 0); + + break; + } + return (0); +} + +int acpicbkbd_get_backlight(struct wskbd_backlight *kbl) { struct acpicbkbd_softc *sc = acpicbkbd_cd.cd_devs[0]; @@ -130,7 +152,7 @@ acpicbkbd_write_backlight(void *arg0, int arg1) struct acpicbkbd_softc *sc = arg0; struct aml_value arg; - DPRINTF(("%s: writing backlight of %lld\n", DEVNAME(sc), + DPRINTF(("%s: writing backlight of %lld\n", sc->sc_dev.dv_xname, sc->sc_backlight)); memset(&arg, 0, sizeof(arg)); |