diff options
| author | Dale Rahn <drahn@cvs.openbsd.org> | 2003-10-24 20:02:46 +0000 |
|---|---|---|
| committer | Dale Rahn <drahn@cvs.openbsd.org> | 2003-10-24 20:02:46 +0000 |
| commit | 1e9a705cf6d4640d99a94b66fdcd9dea0444dbf2 (patch) | |
| tree | 72c5864f08943669de8860a984560c0cd612bd2b /sys | |
| parent | b1ad6b4cf35556d6a52d4e724c959f02000d7d05 (diff) | |
If cons_backlight_available is not set, cons_brightness will not be valid,
return -1 to indicate so. same as WSDISPLAYIO_PARAM_BACKLIGHT.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/macppc/pci/vgafb.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sys/arch/macppc/pci/vgafb.c b/sys/arch/macppc/pci/vgafb.c index ce1a057a557..3bfef2eba27 100644 --- a/sys/arch/macppc/pci/vgafb.c +++ b/sys/arch/macppc/pci/vgafb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vgafb.c,v 1.21 2003/10/15 23:00:57 drahn Exp $ */ +/* $OpenBSD: vgafb.c,v 1.22 2003/10/24 20:02:45 drahn Exp $ */ /* $NetBSD: vga.c,v 1.3 1996/12/02 22:24:54 cgd Exp $ */ /* @@ -278,10 +278,13 @@ vgafb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p) switch (dp->param) { case WSDISPLAYIO_PARAM_BRIGHTNESS: - dp->min = MIN_BRIGHTNESS; - dp->max = MAX_BRIGHTNESS; - dp->curval = cons_brightness; - return 0; + if (cons_backlight_available != 0) { + dp->min = MIN_BRIGHTNESS; + dp->max = MAX_BRIGHTNESS; + dp->curval = cons_brightness; + return 0; + } + return -1; case WSDISPLAYIO_PARAM_BACKLIGHT: if (cons_backlight_available != 0) { dp->min = 0; |